Claims
- 1. A method of automatically cuffing sleeves, utilizing discrete sleeve blanks and a continuous roll of cuffing material, comprising the steps of:
- (a) passing the sleeve blanks in a first direction, with a first edge thereof generally parallel to said first direction;
- (b) automatically folding over the continuous length of cuffing material to provide a double thickness edge thereof, thereby defining a first edge;
- (c) feeding said first edge of said sleeve blank and said first edge of said cuffing material so that they are in generally parallel overlapping relationship, and generally parallel to said first direction;
- (d) automatically sewing said sleeve blank to said cuffing material adjacent said first edges thereof;
- (e) automatically severing the cuffing material sewn to said sleeve blank from said continuous length of cuffing material, so as to form a distinct, discrete cuffed sleeve blank; and
- (f) automatically moving said cuffed sleeve blank in a second direction, generally perpendicular to said first direction to a distinct stacking area by directing an air jet between the cuff and the sleeve of said cuffed sleeve blank so as to provide spacing therebetween; automatically grasping said cuff, including moving a grasping member into the space created by the air jet between the cuff and the sleeve; and draping the cuffed sleeve blank over a rail so that the cuff thereof extends substantially flat, and cuffed sleeve blanks may be stacked so that the cuff portions thereof are uniformly disposed one atop the other.
- 2. A method of automatically cuffing sleeves, utilizing discrete sleeve blanks and a continuous roll of cuffing material, comprising the steps of:
- (a) passing the sleeve blanks in a first direction, with a first edge thereof generally parallel to said first direction;
- (b) automatically folding over the continuous length of cuffing material to provide a double thickness edge thereof, thereby defining a first edge;
- (c) feeding said first edge of said sleeve blank and said first edge of said cuffing material so that they are in generally parallel overlapping relationship, and generally parallel to said first direction;
- (d) automatically sewing said sleeve blank to said cuffing material adjacent said first edges thereof;
- (e) automatically severing the cuffing material sewn to said sleeve blank from said continuous length of cuffing material, so as to form a distinct, discrete cuffed sleeve blank, wherein the cuffed sleeve blank formed is s short sleeve blank; and
- (f) automatically moving said cuffed sleeve blank in a second direction, generally perpendicular to said first direction to a distinct stacking area by engaging the blank with powered rollers rotatable about an axis generally parallel to said first direction, and flipping said blank, after engagement by the rollers, onto a flat stacking surface.
- 3. A method of automatically cuffing sleeves, utilizing discrete sleeve blanks and a continuous roll of cuffing material, comprising the steps of:
- (a) passing the sleeve blanks in a first direction, with a first edge thereof generally parallel to said first direction by placing a plurality of sleeve blanks in substantially end-to-end position, with the first edges thereof generally aligned; and automatically introducing small gaps between said sleeve blanks prior to progressive movement of a sleeve blank into operative association with the cuffing material;
- (b) automatically folding over the continuous length of cuffing material to provide a double thickness edge thereof, thereby defining a first edge;
- (c) feeding said first edge of said sleeve blank and said first edge of said cuffing material so that they are in generally parallel overlapping relationship, and generally parallel to said first direction;
- (d) automatically sewing said sleeve blank to said cuffing material adjacent said first edges thereof;
- (e) automatically severing the cuffing material sewn to said sleeve blank from said continuous length of cuffing material, so as to form a distinct, discrete cuffed sleeve blank; and
- (f) automatically moving said cuffed sleeve blank to a distinct stacking area.
- 4. Apparatus for automatically cuffing sleeves comprising:
- a substantially flat first conveyor surface;
- a plurality of conveyor belts elongated in a first direction and having a portion thereof disposed atop said first conveyor surface, said belts spaced from each other in a second direction, substantially perpendicular to said first direction;
- means for supporting a roll of cuffing material;
- means for folding the cuffing material supplied from said roll so that said cuffing material is formed into a double thickness having a double thickness first edge thereof generally parallel to said conveyor belts;
- a first driven roller mounted for operative cooperation with said first conveyor surface and said conveyor belts, said first roller rotatable about a first axis generally perpendicular to said first direction;
- a second driven roller mounted for rotation about a second axis generally parallel to said first axis, and said second roller in operative association with said first conveyor surface and said conveyor belts, and spaced from said first roller in said first direction;
- an automatic sewing machine operatively disposed between said first and second rollers;
- a third driven roller rotatable about a third axis substantially parallel to said first and second axes, and disposed in operative relationship with said first conveyor surface and said conveyor belts, and spaced from said second roller in said first direction;
- automatic cutting means disposed between said second and third rollers for cutting the continuous length of cuffing material;
- automatic pick-up means for moving the formed cuffed sleeve blanks off said first conveyor surface, said pick-up means disposed downstream of said third roller in said first direction;
- wherein each of said rollers comprises a plurality of rubber rings connected to a central shaft for rotation therewith, and spaced by a plurality of washers, said rubber rings each having an outside diameter greater than the outside diameter of said washers to that said rubber rings project radially outwardly from said central shaft farther than said washers; and
- wherein at least some of the washers associated with said second roller are loosely disposed about said central shaft so that said washers do not rotate with said shaft or said rubber rings; and wherein at least some of said washers of said second roller include a projecting portion thereof which extends outwardly beyond the circumferential periphery of said rubber rings and operatively engages said cutting means, to prevent material from passing behind said second roller and in front of said cutting means.
- 5. Apparatus as recited in claim 4 wherein said automatic cutting means comprises a scissors-type cutting mechanism operable by an electrically powered device activated by an electric eye positioned between said second and third rollers and at a position wherein it is not in operative association with cuffing material passing over said first conveying surface.
- 6. Apparatus as recited in claim 4 further comprising means for powering said first and second rollers at differential speeds for effecting stretching of cuffing material transported thereby.
- 7. Apparatus as recited in claim 4 further comprising means for powering said second and third rollers so that said third roller circumferential periphery has a greater tangential velocity than said second roller circumferential periphery, for effecting stretching of material engaged thereby.
- 8. Apparatus for automatically cuffing sleeves comprising:
- a substantially flat first conveyor surface;
- a plurality of conveyor belts elongated in a first direction and having a portion thereof disposed atop said first conveyor surface, said belts spaced from each other in a second direction, substantially perpendicular to said first direction;
- means for supporting a roll of cuffing material;
- means for folding the cuffing material supplied from said roll so that said cuffing material is formed into a double thickness having a double thickness first edge thereof generally parallell to said conveyor belts;
- a first driven roller mounted for operative cooperation with said first conveyor surface and said conveyor belts, said first roller rotatable about a first axis generally perpendicular to said first direction;
- a second driven roller mounted for rotation about a second axis generally parallel to said first axis, and said second roller in operative association with said first conveyor surface and said conveyor belts, and spaced from said first roller in said first direction;
- an automatic sewing machine operatively disposed between said first and second rollers;
- a third driven roller rotatable about a third axis substantially parallel to said first and second axes, and disposed in operative relationship with said first conveyor surface and said conveyor belts, and spaced from said second roller in said first direction;
- automatic cutting means disposed between said second and third rollers for cutting the continuous length of cuffing material;
- automatic pick-up means for moving the formed cuffed sleeve blanks off said first conveyor surface, said pick-up means disposed downstream of said third roller in said first direction; and
- wherein said third roller includes an extension having a larger diameter than the diameter of the rest of said roller, and rotatable about said axis of rotation, said extension adapted to engage sleeve blanks at portions thereof remote from the cuffing material.
- 9. Apparatus for automatically cuffing sleeves comprising:
- a substantially flat first conveyor surface;
- a plurality of conveyor belts elongated in a first direction and having a portion thereof disposed atop said first conveyor surface, said belts spaced from each other in a second direction, substantially perpendicular to said first direction;
- means for supporting a roll of cuffing material;
- means for folding the cuffing material supplied from said roll so that said cuffing material is formed into a double thickness having a double thickness first edge thereof generally parallel to said conveyor belts;
- a first driven roller mounted for operative cooperation with said first conveyor surface and said conveyor belts, said first roller rotatable about a first axis generally perpendicular to said first direction;
- a second driven roller mounted for rotation about a second axis generally parallel to said first axis, and said second roller in operative association with said first conveyor surface and said conveyor belts, and spaced from said first roller in said first direction;
- an automatic sewing machine operatively disposed between said first and second rollers;
- a third driven roller rotatable about a third axis substantially parallel to said first and second axes, and disposed in operative relationship with said first conveyor surface and said conveyor belts, and spaced from said second roller in said first direction;
- automatic cutting means disposed between said second and third rollers for cutting the continuous length of cuffing material;
- automatic pick-up means for moving the formed cuffed sleeve blanks off said first conveyor surface, said pick-up means disposed downstream of said third roller in said first direction; and
- a second conveyor surface and a second plurality of conveyor belts disposed in operative association therewith, said second plurality of conveyor belts interleaved with at least some of said plurality of conveyor belts elongated in the said first direction; and means for continuously powering said first plurality of conveyor belts, and for intermittently powering said second plurality of conveyor belts.
- 10. Apparatus for automatically cuffing sleeves comprising:
- a substantially flat first conveyor surface;
- a plurality of conveyor belts elongated in a first direction and having a portion thereof disposed atop said first conveyor surface, said belts spaced from each other in a second direction, substantially perpendicular to said first direction;
- means for supporting a roll of cuffing material;
- means for folding the cuffing material supplied from said roll so that said cuffing material is formed into a double thickness having a double thickness first edge thereof generally parallel to said conveyor belts;
- a first driven roller mounted for operative cooperation with said first conveyor surface and said conveyor belts, said first roller rotatable about a first axis generally perpendicular to said first direction;
- a second driven roller mounted for rotation about a second axis generally parallel to said first axis, and said second roller in operative association with said first conveyor surface and said conveyor belts, and spaced from said first roller in said first direction;
- an automatic sewing machine operatively disposed between said first and second rollers;
- a third driven roller rotatable about a third axis substantially parallel to said first and second axes, and disposed in operative relationship with said first conveyor surface and said conveyor belts, and spaced from said second roller in said first direction;
- automatic cuffing means disposed between said second and third rollers for cutting the continuous length of cuffing material;
- automatic pick-up means for moving the formed cuffed sleeve blanks off said first conveyor surface, said pick-up means disposed downstream of said third roller in said first direction; and
- wherein said finished cuffed sleeve blank moving means comprises a first projecting portion and a second projecting portion, said projecting portions mounted for rotation with respect to each other about an axis substantially parallel to said first direction; said first projection having means for directing an air jet therefrom to effect separation between the cuff portion and sleeve portion of a cuffed sleeve blank; and means for moving said axis of rotation of said first and second projections in a linear direction substantially perpendicular to the direction of elongation of said conveyor belts.
- 11. Apparatus as recited in claim 10 further comprising a freely accessible rail extending below and generally parallel to said conveyor belts, and linearly spaced from said conveyor belts in said second direction, and in operative association with said moving means.
- 12. A pick-up head for a discrete cuffed sleeve blank having a cuff portion and a sleeve portion that are sewn together, and disposed in overlapping relationship with said cuff portion laying atop said sleeve portion; said pick-up mechanism comprising:
- a stationary apertured guard;
- a first projection;
- a second projection;
- means for mounting said projections for relative rotational movement with respect to each other about an axis of rotation so that they are movable from a first position wherein they grasp the cuff portion of a cuffed sleeve blank therebetween, to a second position wherein they are spaced from each other;
- an air jet associated with said first projection for directing a stream of air between the cuff and sleeve portions of a cuffed sleeve blank so as to allow said first projection to be inserted therebetween;
- said second projection disposed along said axis of rotation and arranged such that it moves within an aperture formed in said guard; and
- means for moving said mounting means in a dimension generally parallel to the direction of said air jet.
- 13. A powering and cutting mechanism comprising:
- a cutting mechanism including first and second blades movable with respect to each other to effect severing of flexible sheet material therebetween;
- a powered roller rotatable about an axis of rotation, said roller located adjacent said first blade; and
- said roller comprising: a powered central shaft; a plurality of spaced rubber rings mounted on said shaft for rotation therewith, and spaced along said axis; a plurality of washers disposed between said rubber rings, said washers dimensioned so that the majority of the circumferential periphery thereof does not extend radially outwardly from said shaft as far as the circumferential periphery of said rubber rings, said washers mounted loosely on said shaft so that they do not rotate therewith; and a projecting portion on each of at least some of said washers, said projecting portion extending outwardly past the circumferential periphery of said rubber rings, and operatively engaging said first blade, and preventing flexible sheet material to be cut from moving between said roller and said first blade.
- 14. Apparatus for automatically cuffing sportswear sleeves, comprising:
- a substantially flat first conveyor surface;
- a plurality of conveyor belts elongated in a first direction and having a portion thereof disposed atop said first conveyor surface, said belts spaced from each other in a second direction, substantially perpendicular to said first direction;
- means for supporting a roll of material;
- a roller means mounted for operative cooperation with said first conveyor surface and said conveyor belts for maintaining material in operative association therewith;
- an automatic sewing machine disposed in operative association with said roller means and said first conveyor surface;
- a second conveyor surface and a second plurality of conveyor belts disposed in operative association therewith, said second plurality of conveyor belts interleaved with at least some of said first plurality of conveyor belts and elongated in the said first direction; and
- means for continuously powering said first plurality of conveyor belts, and for intermittently powering said second plurality of conveyor belts.
Parent Case Info
This is a continuation of application Ser. No. 560,579, filed Dec. 12, 1983, which was abandoned upon the filing hereof.
US Referenced Citations (17)
Foreign Referenced Citations (3)
Number |
Date |
Country |
2032838 |
Nov 1970 |
FRX |
0024855 |
Mar 1978 |
JPX |
1021888 |
Mar 1966 |
GBX |
Non-Patent Literature Citations (2)
Entry |
Cutter Exchange Catalog; Stacker Model #25696-S, p. 143; date: 1968. |
Russian Document #0663652; May 1979; 2 pp. Spec. 1 Drawing. |
Continuations (1)
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Number |
Date |
Country |
Parent |
560579 |
Dec 1983 |
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