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| Number | Title | Issue Date |
| 7083563 | Method and system for replacing web folding boards A system and method for selectively replacing one set of folding boards for another set of folding boards is provided. The system can include a first frame assembly secured to a first set of folding boards. The first set of folding boards can be initially placed in ... | 08/01/2006 |
| 6723036 | Methods and apparatus for folding sheet material Methods and apparatus for folding pliable sheet material wherein the sheet material is wound on a mandrel to form a roll which subsequently is stripped off the mandrel and transferred to a pleating station at which successive creases are formed in the roll to produc... | 04/20/2004 |
| 6718725 | Apparatus for folding and packaging an airbag and method thereof An apparatus and method for folding and packaging an airbag includes a tapered concentrator. The airbag can be a head or side-window airbag. The concentrator has an inlet and an outlet whose dimension is smaller than the inlet. Feeding the airbag through the concent... | 04/13/2004 |
| 6699166 | Geometric folding of a web used in a disposable absorbent article A device is provided for folding a material web traveling in a machine direction. The device has a folding portion having a leading edge, a breaking wing attached to the folding portion, the breaking wing having a breaking edge, and a roller rotatably att... | 03/02/2004 |
| 6099453 | Process and apparatus for folding an air bag in a spiral shape In a process and an apparatus for folding a gas bag 15 for a passenger restraint system, a gas bag (15) is introduced, in an uninflated state, to an apparatus that includes a folding tool (12), folding aids (16) and a clamp (19). The folding tool (12) inc... | 08/08/2000 |
| 6053684 | Folded product A method and a device for the production of folded products utilizes a row of folding jaws and a row of counter folding jaws. A signature to be cross-folded is inserted between the jaws by a folding blade. The folding jaws and counter folding jaws form a ... | 04/25/2000 |
| 5820540 | Folding apparatus for sheet layers Folding stations are provided successively in a single running direction of an apparatus for the single or z-like folding of lateral tongues of a sheet layer. The first station has an offset rising folding curve for tongue straightening, the second statio... | 10/13/1998 |
| 5779616 | Former for a printing machine A former for folding a stock web including a nose plate (1) having a base plate (4) covered by a cover plate (5). Openings (8) are provided extending to the surface of the cover plate on which the stock web runs. The openings (8) are preferably formed by ... | 07/14/1998 |
| 5733237 | Apparatus for folding paper items A paper holding tray having a generally flat top surface, and a generally flat folding guide included on the top surface of the tray. The paper holding tray generally includes front and back edges, first and second sides, and first and second truncated co... | 03/31/1998 |
| 5716313 | Apparatus and method for folding blanks The present invention relates to a method and apparatus for folding by approximately 180° a first surface portion of a blank on a rotating drum about a score line onto a second surface portion of the blank. A shaping rail comprises a first surface for ac... | 02/10/1998 |
| 5554095 | Bias tape maker A bias tape maker comprises a thin walled outer member and an inner core member fitted in the outer member. The outer member includes a bottom wall, a pair of side walls extending upright from the bottom wall, and a pair of roof margins bent toward each o... | 09/10/1996 |
| 5496250 | Method for forming tray type cartons An improved method for forming tray, boat, tray, boat, and/or clamshell type, paperboard, cartons that have horizontal main wall panels and side wall panels, with corner flaps, joined to the main wall panels and extending therefrom and adhesively secured ... | 03/05/1996 |
| 5380265 | Apparatus for manually folding sheets of paper An apparatus for manually folding sheets of paper comprises a base plate having edges with a plurality of cut outs, at least two guides extending about the base plate, said guides defining a right angled corner, and a tongue having one end mounted to one ... | 01/10/1995 |
| 5188582 | Apparatus for forming tear tab lining material An apparatus for forming thin plastic, film, aluminum, paper, glassine and other similar material into a double folded "z" shape as shown and described. In this apparatus, a first ramp folds the material initially in one direction, and a continuously vari... | 02/23/1993 |
| 5088975 | Apparatus for the production of paper napkins and similar products The apparatus for the production of paper napkins or other similar products which includes a feeder for continuously supplying a web of material, a slitter for cutting the web into a plurality of longitudinal strips, a first folder to fold the strips leng... | 02/18/1992 |
| 5057069 | Process and device to fold strips of swabs A method and apparatus for folding a length of material includes forming first and second transverse folds at opposite ends of the material whereby the material defines first and second end parts and a central part. Longitudinal corrugations are formed in... | 10/15/1991 |
| 4834700 | Method of and apparatus for forming filter element A ring-shaped corrugated filter element blank having radially alternate peak and valley folds is placed on a first mold having as many first concentric projections as the number of the peak folds of the ring-shaped blank and as many first concentric groov... | 05/30/1989 |
| 4820255 | Sheet folding device A sheet folding device which can fold a sheet in an accordion fashion simply and efficiently and can improve the efficiency in production of artificial flowers. The device includes a set of fixed parallel folding plates provided in an equidistantly spaced... | 04/11/1989 |
| 4650455 | Web folding apparatus for packaging machine In a packaging machine for use with a plurality of webs as a packaging material, each of the webs being formed with fold lines extending widthwise thereof and arranged longitudinally thereof at a spacing corresponding to the height of the finished contain... | 03/17/1987 |
| 4421501 | Web folding apparatus Apparatus for use in folding web material includes a plow folder supported intermediate transverse entrance and exit rollers and cooperative therewith to effect longitudinal folding of the web as it moves longitudinally through the apparatus. In a preferr... | 12/20/1983 |
| 4410316 | Method for production of corrugated paper A method for the production of corrugated paper comprising the steps of feeding a continuous sheet of paper over a first arcuate roller, making several folds in the paper along lines of radius of the first arcuate roller, passing the paper over a second a... | 10/18/1983 |
| 4321051 | Method of making a folding former To provide a smoothly conically converging edge portion of a former, with air communication openings therethrough, the former sheet is bent over at the edge in the conically converging shape with the inner bent-over portion left free; core elements of con... | 03/23/1982 |
| 4310323 | Method of manufacture of H-divider containers A process and machine for making a corrugated or fibre board two-piece H-divider container in a single cycle of operation comprising erecting and gluing the H-blank upon itself and then erecting and gluing the body blank therearound. The vertical divider ... | 01/12/1982 |
| 4304561 | Film folding device Film running one direction is folded along a longitudinal folding line by a folding plate and folding blade. The folding plate has a front edge and an inclined edge extending in the lateral direction against the film feeding direction, the folding blade e... | 12/08/1981 |
| 4273548 | Method and device for folding blanks to form boxes A blank is folded to form a box by pressing it into a jig. End and side panels of the blank, along with supplemental panels at the corners, are lifted relative to a floor panel by folding surfaces of the jig. The side panels are lifted first and supplemen... | 06/16/1981 |
| 4263688 | Top and bottom die assemblies for folding the edges of a non-rigid workpiece Cooperating top and bottom die assemblies for use in a press to fold the edges of a non-rigid workpiece. The top die comprises a horizontal support plate having a radiused folding plate affixed to its underside. A spring biased stripper in association wit... | 04/28/1981 |
