Claims
- 1. A compact apparatus for creating and dispensing material for use as void fill and cushioning dunnage, said apparatus being capable of being mounted as a unit on a stand and comprising:
a motor and a material feeding arrangement driven by said motor, said material feeding arrangement including cooperating feed rollers for pulling material from a supply of material and feeding it through said apparatus; a plurality of material shaping members upstream of said material feeding arrangement for shaping material to convert the material into a continuous strip of cushioning product as the material is fed through said apparatus; and wherein at least one of said feed rollers is a rotary cutting die having a plurality of cutting blades on its surface for cutting slits in the material at spaced locations along the length of said material as the material is fed through said apparatus to allow an operator to rip from said apparatus a desired length of cushioning product being dispensed by said apparatus.
- 2. The apparatus according to claim 1, wherein the plurality of cutting blades on the rotary cutting die are arranged at an angle to the roller axis.
- 3. The apparatus according to claim 2, wherein the plurality of cutting blades are in spaced, overlapping relation to one another on the surface of the rotary cutting die in a direction on the roller axis.
- 4. The apparatus according to claim 1, wherein the cutting blades are embedded in the roller surface with their cutting edges following the roller circumference.
- 5. The apparatus according to claim 1, wherein the plurality of cutting blades are in spaced, overlapping relation to one another on the surface of the rotary cutting die in a direction along the roller axis.
- 6. The apparatus according to claim 1, wherein at least one of said feed rollers has a circumferential surface with annular portions of relatively larger and relatively smaller diameter spaced along the roller axis.
- 7. The apparatus according to claim 6, wherein said feed roller having said larger and smaller diameter annular portions on its circumferential surface is provided with said plurality of said cutting blades.
- 8. The apparatus according to claim 7, wherein the plurality of cutting blades are located on the circumference of the feed roller between opposite ends of the larger diameter annular portions.
- 9. The apparatus according to claim 1, wherein the plurality of shaping members upstream of the material feeding arrangement reduce the width of the material so that convolutions are formed therein across the width of the material being slit by said rotary cutting die.
- 10. The apparatus according to claim 9, wherein said plurality of shaping members comprise spaced input rollers which delimit an input opening through which the material is drawn for reducing the width of the material and forming convolutions in the material across the width of the material being slit.
- 11. The apparatus according to claim 10, wherein said spaced input rollers comprise a first pair of spaced, parallel rollers followed by a second pair of spaced, parallel rollers extending in a direction transverse to said first pair of rollers, said first and second pairs of rollers delimiting said input opening for shaping said material.
- 12. The apparatus according to claim 10, wherein the size of said input opening is small enough to preclude an operator's hand from being inserted through said input opening for operator safety.
- 13. The system according to claim 1, wherein said material shaping members include a first material shaping member which directs the lateral edges of the material in a first direction.
- 14. The apparatus according to claim 13, wherein said first material shaping member is a convex material shaping roller over which said material is drawn.
- 15. The apparatus according to claim 1, further comprising input and output chutes for guiding said material on respective sides of said material feeding arrangement.
- 16. The apparatus according to claim 1, wherein said motor and material feeding arrangement form a die cut assembly which is removably mounted in said apparatus.
- 17. A die cut assembly for use in an apparatus for creating and dispensing material for use as void fill and cushioning dunnage, said assembly comprising:
a motor and a material feeding arrangement driven by said motor, said material feeding arrangement including cooperating feed rollers for pulling material from a supply of material and feeding it through the assembly, wherein at least one of said feed rollers is a rotary cutting die having a plurality of cutting blades on its surface for cutting slits in the material at spaced locations along the length of said material as the material is fed through the assembly.
- 18. The assembly according to claim 17, wherein the plurality of cutting blades on the rotary cutting die are arranged at an angle to the roller axis.
- 19. The assembly according to claim 18, wherein the plurality of cutting blades are in spaced, overlapping relation to one another on the surface of the rotary cutting die in a direction along the roller axis.
- 20. The assembly according to claim 17, wherein the cutting blades are embedded in the roller surface with their cutting edges following the roller circumference.
- 21. The assembly according to claim 17, wherein the plurality of cutting blades are in spaced, overlapping relation to one another on the surface of the rotary cutting die in a direction along the roller axis.
- 22. The assembly according to claim 17, wherein at least one of said feed rollers has a circumferential surface with annular portions of relatively larger and relatively smaller diameters spaced along the roller axis.
- 23. The assembly according to claim 22, wherein said feed roller having said larger and smaller diameter portions on its circumferential surface is provided with said plurality of cutting blades.
- 24. The assembly according to claim 23, wherein the plurality of blades are located on the circumference of the feed roller between opposite ends of the larger diameter annular portions.
- 25. A method for creating and dispensing material for use as void fill and cushioning dunnage, comprising:
pulling material from a supply of material; shaping the material being pulled to reduce the width thereof; converting the shaped material being pulled into a continuous strip of cushioning product by cutting a plurality of slits in the material at spaced locations along the length of said material with a rotary cutting die.
- 26. A method according to claim 25, wherein the slits are arranged at an angle to a direction normal to the longitudinal direction of the continuous strip.
- 27. The method according to claim 25, wherein the shaping includes forming a plurality of longitudinally extending convolutions in the material across the width of the continuous strip through which the plurality of slits are cut in said converting.
- 28. The method according to claim 25, wherein the material is pulled from said supply of material by cooperating feed rollers, at least one of said feed rollers having a plurality of cutting blades thereon as said rotary cutting die for cutting said plurality of slits.
- 29. The method according to claim 25, further comprising ripping a desired length of the cushioning product from the continuous strip at a location having a plurality of slits therein while the material is held between said feed rollers.
- 30. A system for creating and dispensing material for use as void fill and cushioning dunnage, said system comprising a stand and a compact apparatus which is mounted as a unit on the stand, said compact apparatus including
a motor and a material feeding arrangement driven by said motor for pulling material from a supply of material and feeding the material through said apparatus; a plurality of material shaping members upstream of said material feeding arrangement for shaping material to convert the material into a continuous strip of cushioning product as the material is fed through said apparatus, at least one of said feed rollers being a rotary cutting die having a plurality of cutting blades on its surface for cutting slits in the material at spaced locations along the length of the material as the material is fed through said apparatus to allow an operator to rip from said apparatus a desired length of cushioning product being dispensed by said apparatus.
- 31. The system according to claim 30, wherein said compact apparatus is pivotally mounted on said stand to facilitate material loading.
- 32. The system according to claim 30, wherein said stand is in the form of a material cart with wheels, said material cart including a support for rotatably supporting a roll of material to be supplied to said compact apparatus.
- 33. The system according to claim 32, wherein said material cart includes a roll tensioner for tensioning the material being unwound from said roll by said compact apparatus.
- 34. The system according to claim 32, wherein said material cart includes a work surface for an operator handling cushioning product dispensed by said compact apparatus.
- 35. The system according to claim 30, wherein said stand includes a work surface for an operator handling cushioning product dispensed by said compact apparatus.
- 36. A system according to claim 30, further comprising a support for rotatably supporting a roll of material to be supplied to said compact apparatus.
- 37. The system according to claim 36, further comprising an overhead delivery system for delivering rolls of material to said roll support, said roll support being elevated above an adjacent work surface for an operator handling cushioning product dispensed by said compact apparatus.
- 38. The system according to claim 30, further comprising a conveyor located in front of said compact apparatus to provide a work surface for an operator handling cushioning product dispensed by said compact apparatus.
- 39. A system for creating and dispensing material for use as void fill and cushioning dunnage, said system comprising:
a compact apparatus capable of being mounted as a unit on a stand, said compact apparatus including
a motor and a material feeding arrangement driven by said motor for pulling material from a supply of material and feeding the material through said apparatus; a plurality of material shaping members upstream of said material feeding arrangement for shaping material to convert the material into a continuous strip of cushioning product as it is fed through said apparatus; and wherein said material feeding arrangement includes cooperating feed rollers, at least one of said feed rollers being a rotary cutting die having a plurality of cutting blades on its surface for cutting slits in the material at spaced locations along the length of said material as the material is fed through said apparatus to allow an operator to rip from said apparatus a desired length of cushioning product being dispensed by said apparatus; and said system further including a roll support for rotatably supporting a roll of material from which material to be supplied to said compact apparatus can be unwound.
- 40. The system according to claim 39, wherein said roll support includes a roll tensioner for tensioning the material being unwound from said roll by said compact apparatus.
- 41. The system according to claim 39, further comprising an overhead roll delivery system for delivering rolls of material to said roll support, said roll support being elevated above an adjacent work surface for an operator handling cushioning product dispensed by said compact apparatus.
RELATED APPLICATIONS
[0001] This application is a Continuation-in-Part of U.S. application Ser. No. 09/819,998, filed Mar. 29, 2001, which is hereby incorporated by reference. Commonly owned U.S. patent application Ser. No. 09/819,640, filed Mar. 29, 2001, for Automatic Roll Tensioner and Material Dispensing System Using the Same, is also hereby incorporated by reference.
Continuations (1)
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Number |
Date |
Country |
Parent |
09819998 |
Mar 2001 |
US |
Child |
10208772 |
Aug 2002 |
US |