Patent Grant
11167577
The invention relates to an apparatus for marking batches and a system and method for marking batches and/or processing said marked batches.
In tire manufacturing, one or more ingredients are mixed into a specific rubber compound which is then formed into a rubber sheet. The rubber sheet is subsequently coated, cooled and stored to be used in the production of various tire components. Each tire component requires one or more specific rubber compounds. In modern batch supply, the batches are continuous, meaning that the switch-over from one batch to another batch occurs in a continuously conveyed, seamless rubber sheet and thus is very hard to identify. However, for the uniformity of the tire components, it is important that individual batches can be reliably identified and sampled.
JP 5131555 B2 discloses a method and device for sampling a sheet-like rubber. The device comprises an identification mark applying machine with a rotary member having irregularities on the outer circumferential surface. When changing to a new lot, the operator controls the identification mark applying machine to lower the rotary member onto the sheet-like rubber, thereby applying an identification mark corresponding to the irregularities to the final batch of the previous lot. A sampling device is provided for punching out samples from each batch. The sample pieces before and after the replacement of each lot can easily be discriminated by determining the presence of the identification mark in the sample pieces.
The known identification mark applying machine helps in identifying the samples, but may not be reliable in identifying the batches themselves. In particular, the batches within a lot are not marked. Occasionally, an operator is forced to remove one or more non-uniform batches. When one of those batches contains the discrimination mark, it will not be possible to visually determine the location of a batch in a stack of batches or to distinguish between lots. In addition, the batches may be stretched or contracted during handling. Hence, determining the batches based on encoder pulses can potentially be inaccurate.
JP 2002-036692 A discloses a discrimination mark instrument for applying discrimination marks to rubber members. The instrument comprises a disc shaped roller that is provided with a plurality of interchangeable character stamps and a line stamp around its circumference. The disc shaped roller is arranged for rolling over the surface of a rubber member while paint application rollers apply paint to the stamps. Hence, a combination of characters, separated by a continuous line, is repeatedly painted onto the rubber member. The characters and/or the shape of the line may be varied for each rubber member to provide a wide range of identifiable markings that uniquely identify each rubber member. The known discrimination mark instrument is arranged for applying a discrimination mark continuously along the entire length of a rubber member. It has no means for identifying the start or end of a rubber member.
It is an object of the present invention to provide an apparatus for marking batches and a system and method for marking batches and/or processing said marked batches, wherein the accuracy of the markings and/or identification of said markings can be improved.
According to a first aspect, the invention provides a system for processing marked batches in a continuously produced sheet, wherein the sheet is produced from a plurality of batches of raw elastomeric material, wherein the system comprises an apparatus for marking the sheet to identify the batches in said sheet associated with a respective one of the raw batches in a longitudinal direction of the sheet, wherein the apparatus comprises one or more marking tools for providing the sheet with a series of batch markings which are indicative of the respective sheet batch and a start or end marking indicating the start or end, respectively, of a respective sheet batch, wherein the apparatus further comprises a control unit for sending a signal indicative of a switchover to a new raw batch and an actuator for receiving said signal and for actuating the one or more marking tools to mark said sheet with a start or end marking in response to the signal.
With the combination of batch markings and a start or end marking it can be accurately ascertained which sheet batches are located where in the sheet. In particular, it will be possible to determine not only which sheet batch is located where within the sheet but also exactly where said sheet batch starts or ends. In addition, determining the switch over to a new sheet batch based on the start or end marking instead of encoder pulses can be considerably more accurate, in particular when the sheet has been stretched between the sheet production and the measurement. Also, when the start or end marking is missing, e.g. due to removal of a non-uniform part of the sheet, the absence of the start or end marking between two different batch markings can also be an accurate indicator of a sheet batch switchover. Hence, isolating one or more sheet batches within a sheet, e.g. for reworking, can be performed more easily. The one or more marking tools can be actuated to provide the sheet with the start or end marking at the moment when the start or end of a sheet batch passes underneath the one or more marking tools. Said control unit can be operationally and/or electronically connected to the sheet production unit.
In one embodiment the one or more marking tools comprises a first marking tool for providing the sheet with the series of batch markings intermittently at a regular interval along the longitudinal direction of the continuous sheet, wherein the start or end marking is the first batch marking of a new sheet batch or the last batch marking of the previous sheet batch, wherein the first marking tool is arranged for providing said start or end marking independently from the batch markings at the regular interval in response to the signal from the control unit. The start or end marking can more accurately mark the start or end of a specific sheet batch compared to the batch markings, in particular because it is applied in response to the switchover to a new raw batch rather than at a certain fixed interval. By having a single first marking tool that can provide both the batch markings and the start or end marking, the complexity of the apparatus can be reduced.
In an alternative embodiment the one or more marking tools comprises a first marking tool that is arranged for providing the sheet with a series of batch markings which are indicative of the respective sheet batch and a second marking tool that is arranged for providing a start or end marking different from the batch markings indicating the start or end, respectively, of a respective sheet batch. By providing a separate first marking tool and a second marking tool, the start or end marking can be different from the batch markings, e.g. the start or end marking may have a more distinct or easily recognizable shape.
In an embodiment thereof the first marking tool is arranged for marking the sheet intermittently at a regular interval along the longitudinal direction of the continuous sheet. The interval allows for changing the batch marking in response to a switchover to a new raw batch.
In particular, in an automatically indexing embodiment of the apparatus, the first marking tool comprises a set of index members which are arranged to be indexed in one of the intervals in response to each switchover to a new raw batch. Said indexation can occur in the brief interval between the batch markings so that a new batch marking is ready for application to the sheet when the new sheet batch has arrived at the first marking tool.
In an embodiment thereof the first marking tool is movable and/or rotatable in the longitudinal direction of the sheet, wherein the indexing members are indexable in an indexing direction transverse or perpendicular to the longitudinal direction. Hence, the first marking tool can move with the sheet in the longitudinal direction to apply the batch marking while the sheet is continuously moved in the transport direction parallel to said longitudinal direction. Simultaneously, between one of the intervals of the batch markings, one or more of the index members can be indexed in the indexing direction transverse to the longitudinal direction so that the next batch marking may be applied again in the longitudinal direction directly thereafter.
In a further embodiment thereof the first marking tool has at least two index members. This allows for a range of at least one-hundred unique batch markings.
In a further embodiment thereof each index member comprises a human-readable character and a computer-readable character for marking the sheet with a human-readable code as well as a computer-readable code.
Preferably, the human-readable characters comprises letters, decimals and/or digits. Preferably, the computer-readable characters comprises binary characters. Hence, the batch marking can be read by a human operator, e.g. for rework, as well as by a computerized system, e.g. for storing batch information and/or linking batch information to pallets and/or subsequent tire building processes.
In another preferred embodiment the index members are index discs which are indexable by rotation about a common index axis, wherein the first marking tool is operable in an indexing mode in which one of the index members is incrementally indexed with each switchover to a new raw batch, wherein the first marking tool is arranged for indexing a next one of the index members over a single increment with each full revolution of the previous index member, wherein the first marking tool is switchable from the indexing mode to a reset mode in which the index members are independently rotatable about the common index axis to a reference position. In the reset mode, the index members can be quickly and individually rotated to a reference position, without having to go through the whole incremental sequence of the first marking tool. This can be particularly time-saving for the index members that only move one increment per full revolution of the previous index member.
In a further embodiment thereof each index member comprises ten index positions or less, wherein the reference position corresponds to one of said index positions. Hence, all index members can reach their respective reference positions by rotating the index members over ten index positions or less.
Preferably, the reference position is a start position, a null position or the last position in the indexing mode. By resetting the index members to the start or null position, the sequence can be restarted. The reset to the start or null position can alternatively be used to verify the positions of the index members, and directly thereafter returning the index members to the stored last positions from the indexing mode.
In a further embodiment thereof the first marking tool comprises a drive shaft that is connected via a slip connection to each of the index members to index said index members, wherein the first marking tool further comprises a retaining element for each index member, wherein the retaining elements in the indexing mode are arranged for individually retaining and thereby preventing indexation of a respective one of the index members with respect to the drive shaft. When one of the index members is retained, its slip connection is arranged to slip over the drive shaft instead of moving with the indexing increment of the drive shaft. Hence, the position of the index member is temporarily and/or selective locked against rotation. This allows the index member to follow the indexing sequence as previously described, e.g. to rotate one increment only when the previous index member has completed a full revolution.
Preferably, each retaining element is arranged for individually retaining the respective index member in the reset mode when said respective index member is in the reference position until all index members are in their respective reference positions. Hence, each index member that has already reached the reference position can be locked against rotation with the drive shaft while the other index members are still free to rotate together with the drive shaft until they too reach their reference position. By selectively locking each index member as it reaches its reference position, it can be prevented that the drive shaft accidentally indexes said locked index member further.
More preferably, the first marking tool comprises one or more sensors for detecting the reference position of each index member, wherein the retaining elements are actuated to retain the respective index member based on the detection of the reference position by said one or more sensors. Hence, the actuating of the retaining members can be automated.
In another embodiment the first marking tool comprises a reading indicator that is arranged to provide an additional reading marking that indicates the presence of the batch marking in sheet. Preferably, the reading indicator is arranged for imprinting a reading marking in the form of a linear reading line in the sheet extending exclusively at the position of each batch marking in the longitudinal direction of the sheet. The reading indicator can activate and deactivate a sensor only when the batch marking passes underneath it to prevent false readings.
Preferably, the start or end marking is an arrow. An arrow is an easily distinguishable indicator that can also unambiguously indicate the direction in which said sheet batch starts or ends.
In a further embodiment the apparatus further comprises a first encoder that is operationally connected to the actuator to measure and send a signal indicative of the production speed, wherein the actuator is arranged to be actuated after a calculated time delay based on the production speed measured by the first encoder. Hence, with the distance between the sheet production unit, e.g. an extruder, a mixer or a mill, and the second marking tool known, the time it takes for the start or end of a sheet batch to reach the second marking tool can be calculated and the actuator can be operated to move the second marking tool onto the sheet only when the start or end of the sheet batch has reached said second marking tool.
In a preferred embodiment the first marking tool is arranged for moving along a cyclic path for applying the batch marking to the sheet, wherein during a marking part of this cyclic path, the first marking tool is arranged to move synchronously and in contact with the moving sheet. Hence, at least during the marking part of the cyclic path, the batch markings can be accurately applied to the sheet.
In an alternative embodiment the first marking tool and/or the second marking tool are wheels for applying the batch markings to the sheet while the sheet is moving. The wheels can be easily rolled over the surface while the sheet is moving. A marking can be applied with each revolution. Preferably, the wheels are embossing wheels for imprinting the markings into the sheet. The elastomeric material is still relatively soft after extrusion. Hence, the batch markings and the start or end marking can be easily imprinted in the soft elastomeric material shortly after extrusion.
In another embodiment, the apparatus further comprises one or more bases for supporting the one or more marking tools with respect to the sheet and an actuator for moving at least one of the one or more marking tools with respect to the one or more bases towards and away from the sheet to mark said sheet in response to a switchover to a new raw batch. By moving at least one of the one or more marking tools away from the sheet, the marking by said at least one marking tool can be temporarily interrupted. Similarly, said at least one marking tool can be moved towards the sheet to mark said sheet at the moment the signal is received.
In another embodiment, the system further comprises a sheet production unit for continuously producing the sheet from the plurality of raw batches, wherein the control unit is operationally and/or electronically connected to the sheet production unit.
In a further embodiment thereof the control unit is arranged for calculating a theoretical length of the sheet batches based on a comparison between the volume of a respective raw batch that goes into the sheet production unit and the volume of the respective sheet batch that comes out of said sheet production unit, wherein the control unit is arranged for sending a signal to the actuator when, within a time delay in which the actual batch switchover arrives at the first marking tool, no signal is received. Hence, a batch marking can be applied even if, for some reason, no signal is provided based on the actual batch switchover.
In a further embodiment or an independent embodiment of the system, the system comprises a stacking section, wherein the stacking section comprises a cutting device for cutting-off the sheet and a sampler unit for obtaining a sample from the sheet at the stacking section. Hence, it can be ensured that the samples taken from the sheet correspond to the sheet batches that are actually stacked onto the pallet. The closer the sample is taken to the pallet, the more accurate the sample.
Preferably, the sampler unit is provided downstream of the cutting device in the stacking direction. When taking the sample from downstream of the cutting device, one can be almost certain that the sample corresponds to a sheet batch that is actually on the pallet.
In a preferred embodiment the stacking section comprises a stacking device downstream of the cutting device in the stacking direction for stacking the sheet onto the pallet, wherein the sampler unit is located between the cutting device and the stacking device. Hence, the samples can be obtained at a location after the cutting and prior to the stacking on the pallet.
In another preferred embodiment the control unit is arranged for processing the batch markings, wherein the system further comprises a memory for storing the processed batch markings and a pallet identifying unit that is operationally connected to the control unit for either
a) identifying a pallet by a previously applied pallet tag on the respective pallet and linking the information of the pallet tag to the processed batch markings in the memory;
b) adding a newly prepared pallet tag with batch information representative of the processed batch markings to a pallet; or
c) adding batch information representative of the processed batch markings to a previously applied pallet tag of a respective pallet.
Hence, it becomes possible to accurately track the batches by comparing the batch markings representative for said batches in the memory with the information stored on or retrieved form the pallet tags.
According to a second aspect, the invention provides a method for marking batches in a continuously produced sheet corresponding to different batches of raw elastomeric material in a said sheet, wherein the method comprises the steps of:
This method and its embodiments have the same technical advantages as the apparatus according to the first aspect of the invention.
In one embodiment of the method the series of batch markings are provided intermittently at a regular interval along the longitudinal direction of the continuous sheet, wherein the start or end marking is the first batch marking of a new sheet batch or the last batch marking of the previous sheet batch, wherein said start or end marking is provided independently from the regular interval at the switchover to a new sheet batch.
In an alternative embodiment of the method the series of batch markings (M1, M2, . . . , Mn) are provided intermittently at a regular interval along the longitudinal direction of the continuous sheet, wherein the sheet is provided with the start or end marking different from the batch markings in response to a switchover to a new raw batch.
In an embodiment thereof the batch markings are indexed in one of the intervals in response to each switchover to a new raw batch.
In a further embodiment of the method the sheet is marked with a human-readable code as well as a computer-readable code.
Preferably, the human-readable code comprises letters and/or digits. Preferably, the computer-readable code comprises binary characters.
In another embodiment the method further comprises the step of measuring the production speed, wherein the sheet is provided with the start or end marking after a calculated time delay based on the measured production speed.
In another embodiment or an independent embodiment the method comprises the steps of stacking the sheet in a stacking section in a stacking direction onto a pallet and cutting-off the sheet with the use of a cutting device at the stacking section, wherein the method further comprises the step of obtaining a sample from the sheet downstream of the cutting device in the stacking direction. This embodiment of the method has the same technical advantage as the system according to the third aspect of the invention.
In an embodiment of the method, the stacking section comprises a stacking device downstream of the cutting device in the stacking direction for stacking the sheet onto the pallet, wherein the sample is obtained between the cutting device and the stacking device.
In an embodiment of the method, the method further comprises the step of linking the batches which are stacked onto a respective one of the pallets to information identifying said pallet, either by:
a) identifying a pallet by a previously applied pallet tag on the respective pallet and linking the information of the pallet tag to the batch markings;
b) adding a newly prepared pallet tag with batch information representative of the batch markings to the respective pallet; or
c) adding batch information representative of the batch markings to a previously applied pallet tag of the respective pallet.
The various aspects and features described and shown in the specification can be applied, individually, wherever possible. These individual aspects, in particular the aspects and features described in the attached dependent claims, can be made subject of divisional patent applications.
The invention will be elucidated on the basis of an exemplary embodiment shown in the attached schematic drawings, in which:
The system 1 comprises a sheet production unit 2 for continuously producing the aforementioned sheet 9 from a plurality of batches F1, F2, . . . , Fn of raw elastomeric material (hereafter referred to as ‘raw batches’), an inlet 3 for receiving the sheet 9 in a transport direction T from the sheet production unit 2, a coating section 4 downstream of the inlet 3 in the transport direction T for coating the sheet 9 with a non-stick coating (not shown), a cooling section 5 downstream of the coating section 4 in the transport direction T for cooling the sheet 9 and a stacking section 6 downstream of the cooling section 5 in the transport direction T for stacking the sheet 9 on a pallet 8. The sheet 9 has a longitudinal direction L and normally continuous in said longitudinal direction L from the sheet production unit 2 to the stacking section 6. The coating section 4 and the cooling section 5 form a ‘black box’ in which the position of the raw batches F1, F2, . . . , Fn within the sheet 9 are unknown. In the ‘black box’, the sheet 9 may be stretched or contracted. Occasionally, an operator may remove a damaged and/or non-uniform part of the sheet 9, e.g. by cutting it out. The ends of the sheet 9 which are thereby created may be reattached manually through the adherence of the elastomeric material or may be fed through the process separately. The ‘black box’ may comprise different sections in addition to or replacing the coating section 4 and the cooling section 5.
Preferably, the sheet production unit 2 is one of an extruder, a mixing device or a mill for processing raw batches F1, F2, . . . , Fn of elastomeric material. Said raw batches F1, F2, . . . , Fn of elastomeric material are continuously supplied to the sheet production unit 2 to ensure a continuous production process. However, with each switchover to a new raw batch F1, F2, . . . , Fn, compounds, recipes and/or mixtures may vary slightly, resulting in a different composition of the elastomeric material along the longitudinal direction L of the continuously produced sheet 9. The system 1 further comprises an apparatus 7 for marking the sheet 9 to identify the sheet batches B1, B2, . . . , Bn associated with a respective raw batch.
As shown in
In this exemplary embodiment, both marking tools 71, 72 are embossing wheels for imprinting the markings into the elastomeric material of the sheet 9. Alternatively, the markings may be applied on the surface of the sheet 9 in a suitable manner, e.g. with the use of paint or a laser.
In a first preferred embodiment, as shown in
In a second preferred embodiment, as shown in
As best seen in
Preferably, the number of index members 73, 74, 75 is at least two. In the embodiment as shown in
The first marking tool 71 optionally comprises a reading indicator 76 that is arranged to provide an additional reading marking R that indicates the presence of the batch marking M1, M2, . . . , Mn in the longitudinal direction L of the sheet 9. The reading indicator 76 is preferably arranged for imprinting a reading marking R in the form of a linear reading line in the sheet 9 extending exclusively at the position of each batch marking M1, M2, . . . , Mn in the longitudinal direction L of the sheet 9.
As shown in
The second marking tool 72 is arranged for marking the sheet 9 only at the start or the end of a respective sheet batch B1, B2, . . . , Bn. The second marking tool 72 comprises a suitable start or end indicator 77 for providing a start or end marking A to the sheet 9 in response to a switchover to a new raw batch F1, F2, . . . , Fn. In this embodiment of the invention, the start or end marking A is different from the batch markings M1, M2, . . . , Mn. In particular, the start or end indicator 77 is an arrow, resulting in an arrow shaped start or end marking A in the sheet 9.
As schematically shown in
The apparatus 7 further comprises a first encoder 79 between the marking tools 71, 72 and the sheet production unit 2 to measure and send a signal indicative of the production speed. The first encoder 79 is operationally and/or electronically connected to the actuator 78 so that the actuator 78 can be actuated after a calculated time delay that is a function of the distance between the sheet production unit 2 and the marking tools 71, 72 divided by the production speed measured by the first encoder 79. Similarly, the signal of the encoder can be used to timely index the index members 73, 74, 75 at the first marking tool 71. If the switchover signal, for some reason, does not occur, the production speed can also be used to calculate when the next switchover theoretically has to occur. The control unit 10 can for example calculate the theoretical length of the sheet batches B1, B2, . . . , Bn as produced by the sheet production unit 2 based on a comparison between the volume of a respective raw batch F1, F2, . . . , Fn that goes into the sheet production unit 2 and the volume (thickness, width and length) of the respective sheet batch B1, B2, . . . , Bn that comes out of said sheet production unit 2. If, within the delay in which the actual batch switchover arrives at the marking tool 71, no switchover signal is received, the system 1 can still mark the end of a sheet batch B1, B2, . . . , Bn and index the batch marking M1, M2, . . . , Mn according the calculated volume. Said batch marking M1, M2, . . . , Mn can be added to the batch administration in the memory 11 by the control unit 10. A next switchover signal will reset the volume calculation to zero again.
As shown in more detail in
Several sheet batches B1, B2, . . . , Bn of the sheet 9 may be stacked in a continuous process on top of each in the stacking direction S on a single pallet 81, 82 before sheet 9 is cut-off and the full pallet 81, 82 is replaced for new empty pallet 8. Typically, a pallet 81, 82 may receive three to five of the sheet batches B1, B2, . . . , Bn. An operator may visually identify which sheet batches B1, B2, . . . , Bn are stacked on the pallet 81, 82 by reading the human-readable codes C of the batch markings M1, M2, . . . , Mn. Alternatively, the computer-readable codes D may be detected by a computerized system (not shown). The operator and/or the computerized system can easily ascertain which sheet batches B1, B2, . . . , Bn are on the pallet 8. The operator and/or the computerized system can also determine exactly where the switchover to a new raw batch F1, F2, . . . , Fn has occurred or whether a part of the sheet 9 is missing by detecting the presence or absence of the start or end marking A.
As schematically shown in
As shown in more detail in
As shown in
a) identifying a pallet 81, 82 by a previously applied pallet tag 83, 84, e.g. a label, on the respective pallet 81, 82 and linking the information of the pallet tag 83, 84 to the processed batch markings M1, M2, . . . , Mn in the memory 11;
b) adding a newly prepared pallet tag 83, 84, e.g. a label, with specific batch information to a respective pallet 81, 82; or
c) adding specific batch information to a previously applied pallet tag 83, 84, e.g. a chip or an RFID tag, of a respective pallet 81, 82.
The information stored on or retrieved from the pallet tags 83, 84 can be used to link the stored computer readable codes D to said pallet tags 83, 84. Hence, it becomes possible to accurately track the batches B1, B2, . . . , Bn by comparing the computer readable codes D, representative for said batches B1, B2, . . . , Bn, in the memory 11 with the information stored on or retrieved form the pallet tags 83, 84.
For example, when the sensor 65 has detected, based on the batch markings M1, M2, . . . , Mn, that a specific range of batches B1, B2, . . . , Bn has been deposited onto a first pallet 81, a previously applied pallet tag 83 of said first pallet 81 is scanned and the identity information of said first pallet 81 is linked in the control unit 10 to the batch markings M1, M2, . . . , Mn corresponding to the specific range of batches B1, B2, . . . , B and stored together with said batch markings M1, M2, . . . , Mn in the memory 11.
Alternatively, a new pallet tag 83 may be printed and applied to the first pallet 81. In yet another alternative embodiment, the computer readable codes D that are stored in the memory 11 may be transferred by the pallet identifying unit 12 onto an electronic pallet tag 83, 84, e.g. a chip or an RFID tag. Hence, in the latter two alternative embodiments, the information needed to identify which batches B1, B2, . . . , Bn is stored at the pallet 81, 82 in addition to or instead of in the memory 11.
As further shown in
It is to be understood that the above description is included to illustrate the operation of the preferred embodiments and is not meant to limit the scope of the invention. From the above discussion, many variations will be apparent to one skilled in the art that would yet be encompassed by the scope of the present invention.
For example,
In other words, the first marking tool 471 is a single marking tool with two modes of operation. In the first mode, the first marking tool 471 is arranged for providing the sheet 9 with the series of batch markings M1, M2, . . . , Mn intermittently at a regular interval X along the longitudinal direction L of the continuous sheet 9. In the second mode, the same first marking tool 471 is also arranged for providing the sheet 9 with the start or end marking A. To this end, the alternative system 401 may again be provided with a base 470 for supporting the single marking tool 471 relative to the sheet 9 and an actuator 478 to move the single first marking tool 471 towards and away from the sheet 9.
Preferably, the start or end marking A is similar to one of the batch markings M1, M2, . . . , Mn. The difference is that the start or end marking A is applied in response to the signal from the control unit, independently from the regular interval X. In this particular example, as shown in
To selectively prevent rotation of one or more of said index members 573, 574, 575, the alternative first marking tool 571 is provided with a retaining element 576, 577, 578 for each index member 573, 574, 575. Said retaining elements 576, 577, 578 are arranged for individually retaining a respective one of the index members 573, 574, 575. In particular, it can be observed in
Note that the faces 586 extends at a first radius K1 from the common index axis G, except for one face 587 that extends at a second radius K2 different from the first radius K1. This one face 587 is indicative of or corresponds to a start or null position H of the respective index member 573. In this particular example, the start or null position H of the index member 573 is the position in which the position corresponding to the value null is at the bottom of the index member 573, as reflected by the letter H in
The alternative first marking tool 571 as described above is operable in an indexing mode in which the first index member 573 is incrementally indexed with each switchover to a new raw batch (F1, F2, . . . , Fn). The second index member 574 is only indexed over a single increment with each full revolution of the first index member 573. The third index member 575 is only indexed over a single increment with each full revolution of the second member 574. The retaining elements 576, 577, 578 are operated accordingly to retain the second index member 574 and the third index member 575 as their adjacent index member 573, 574 rotates. Hence, with ten index positions per revolution per index member 573, 574, 575, it takes 999 increments to go through a full sequence of the first marking tool 571.
When resetting or temporarily interrupting the marking process, time can be saved by releasing the index members 573, 574, 575 with respect to the retaining members 576, 577, 578 and independently rotating the index members 573, 574, 575 to a respective reference position. Said reference position H can be a start position, a reference position or a last position of the respective index member 573, 574, 575 in the marking process. For this purpose, the alternative first marking tool 571 is switchable from the indexing mode, as described above, to a reset mode in which the index members 573, 574, 575 are individually retained by their respective retaining elements 576, 577, 578 as soon as the respective index member 573, 574, 575 is in the reference position H. This process is continued until all index members 573, 574, 575 are in their respective reference positions H.
Preferably, as shown in
| Number | Date | Country | Kind |
|---|---|---|---|
| 2018973 | May 2017 | NL | national |
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/NL2018/050335 | 5/18/2018 | WO | 00 |
| Publishing Document | Publishing Date | Country | Kind |
|---|---|---|---|
| WO2018/217082 | 11/29/2018 | WO | A |
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| Decision to Grant issued in related Japanese Patent Application Serial No. 2019-515833, dated Sep. 29, 2020 with English Translation (5 pages). |
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| Number | Date | Country | |
|---|---|---|---|
| 20200094600 A1 | Mar 2020 | US |
