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Class 493/244 - Of previously folded material (e.g., refolding, etc.)


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus comprising bendingly stressing a sheet
No. of patents: 41
Last issue date: 07/08/2008


1    
NumberTitleIssue Date
7396320Pre-folded and pre-glued flower wrap sheets and methods for making
A sheet of material is provided that is pre-folded and pre-glued for the wrapping and packaging of flower bunches and flower bouquets. The sheet of material contains a plurality of lines scored therein. The scored lines are arranged to create a pre-defined folding s...
07/08/2008
7331917Bag making machine
Plastic bag making apparatus by which it is arranged that even if a bottom gusset member is not specially supplied, a bottom gusset can be incorporated into a plastic bag. As continuous trunk members (1,2) are fed, they are guided by a trunk guide mechanism (...
02/19/2008
7261682Method for folding an occupant protection device
Folding methods and patterns for folding an inflatable curtain airbag cushion for use in vehicles are provided. The folding patterns and methods of the invention assist in preventing failure of inflatable curtain airbag cushions by reducing the stress placed on spec...
08/28/2007
7223224Airbag folding method
A part of a distal end portion of an airbag is tucked into an interior thereof. A plurality of overlapping longitudinal folds are formed in first and second halves of the airbag, and the folded distal and proximal portions of the airbag are each folded substantially...
05/29/2007
7134256Packaging system
The present invention provides a packaging system that includes a beak-shaped hopper, a pair of opening and closing bars, and a sensor for sensing a limitless opening and closing movement of the opening and closing bars. The beak-shaped hopper and the pair of openin...
11/14/2006
7059630Head side airbag cushion fold
A method of folding an airbag 10, and more particularly, a side curtain airbag whereby the airbag is folded to facilitate a relatively more rapid deployment given that the folds as described create a thrusting motion of the airbag out and over the B-pillar an...
06/13/2006
6939280Document folding apparatus
A document folding apparatus comprising: a fold plate having one end adjacent a pair of output rollers which have a nip for receiving a document from the fold plate wherein the fold plate, is pivotable about a pivot point spaced from the output rollers and means for...
09/06/2005
6880221Purse and method of making the same
A method of producing a purse or handbag from a single typically rectangular blank of flexible sheet material. ...
04/19/2005
6726615Method of folding a gas bag for a vehicle occupant restraint system, a folded gas bag for a vehicle occupant restraint system and a device for performing the method
A method of folding a gas bag for a vehicle occupant restraint system is disclosed, this gas bag having a wall delimiting a chamber and having an inflation opening, the inflation opening having a rim. The method comprises the following steps: First, the gas bag is s...
04/27/2004
6694708Method and machine for producing a rigid packet of cigarettes
A method and machine for producing a rigid packet of cigarettes from a flat, substantially rectangular blank; the blank has two main longitudinal crease lines, and a number of transverse crease lines defining, between the two main longitudinal crease line...
02/24/2004
6527445Liners or bags and method of making them
A method of forming a plurality of interconnected bulk bags or with an interconnecting section of material between adjacent bags on a roll or blank of flexible material to permit the blank of material to be advanced for subsequent processing. The intercon...
03/04/2003
6432033Folding method for the gas bag of a side gas bag
A method of folding a side gas bag in a packet form having a gas bag consisting of a substantially rectangular fabric section having rounded corners, a connecting plate for connecting to a gas generator and having fastening bolts projecting through the fa...
08/13/2002
6371646Bulk bag with multiple ply walls and a method of forming it from tubular blanks
A bulk bag or a liner for a bulk container is formed from a plurality of tubular blanks of flexible material so that each wall of the bag or liner has at least two layers of material. Desirably, many woven or plastic sheet materials suitable to make such ...
04/16/2002
6248052Method and apparatus for the folding of an inflatable airbag
The invention relates to a method for the folding of an inflatable airbag for motor vehicles which comprises the steps that an airbag to be folded is fastened with its open end at a carrier; that a preferably substantially cylindrical piston is pushed for...
06/19/2001
6196960Method for imparting a food additive and package for same
A method for providing a package having a coated inner surface involves inverting a package having an inner surface defining an inner space, an outer surface, and a coating on the outer surface. The package can be inverted by application of a vacuum. The ...
03/06/2001
5890810Manufacture of bags
An extruded plastics tube is flattened and the lateral side portions (4) are folded to form inwardly extending gussets (2). Each gusseted side portion is then folded about a longitudinal fold line (5) onto the medial portion (3) between the side portions....
04/06/1999
5810706bag with an access hole in one panel
A bag includes a first panel with at least one access hole in it, and a second panel without a hole corresponding to the at least one hole of the first panel. Preferably, two holes are present, preferably near the bag mouth. The panels are substantially e...
09/22/1998
5492585Method for fabricating five-piece expanding pocket
A five-piece expanding pocket having front inner and outer panels secured to each other by cohesive glue, rear inner and outer panels secured thereof by cohesive glue, and a gusset having outer edge portions with cohesive glue and opposite sides thereof b...
02/20/1996
5458556Bag with reinforced integral handle portions
Methods of manufacturing bags preferably from a single sheet of bag forming material and bags produced thereby having reinforced handle sections integral with the wide sides of the bag....
10/17/1995
5342467Method of fabricating a five-piece expanding pocket
A five-piece expanding pocket having front inner and outer panels secured to each other by cohesive glue, rear inner and outer panels secured to each other by cohesive glue, and a gusset having outer edge portions with cohesive glue on opposite sides ther...
08/30/1994
5228574Reusable trash bag or food bag container and method of making it
The invention is directed to a thermoplastic film package having one or more pouches for holding articles such as thermoplastic film bags, and a method of producing and filling such a package. The package is made from a thermoplastic film bag folded along...
07/20/1993
5162035Bag folding system
An automated system is disclosed for folding vehicle air bags so that a small folded-bag profile and a desirable bag deployment pattern results. A machine having numerous moveable arms is controlled by a controller. An edge folding assembly (EFA) of the m...
11/10/1992
5045043Flap opening mechanism and method
An apparatus for producing items in selected configurations and a system and method for controlling the same. More particularly, an apparatus for producing mail pieces and a system and method for controlling it to produce mail pieces in a variety of confi...
09/03/1991
4866786Ovenable bag
An ovenable bag includes a sheet of paper-like material; opposite edges of the sheet secured to each other to define a tubular member having opposite ends; the tubular member being folded inwardly along lengthwise fold lines thereof which are diagonally o...
09/12/1989
4850949Apparatus for folding a band into accordion pleats including three panels
A method and apparatus for transferring a band at a predetermined speed V to a station for pre-marking two folding lines which define a central panel of each pleat and then subjecting the band over a short distance to abrupt deceleration to a speed V' suc...
07/25/1989
4844248Elasticized gusseted dish cover, method of making same and article of dispensing
A gusseted dish cover formed from a flexible sheet material and an elastomeric matrerial having a constricted opening and a cross-section of a generally M-shaped gusset. A novel storage and dispensing means for such gusseted dish covers is also disclosed ...
07/04/1989
4671332Wallet and method of making same
A wallet or billfold of exceptionally thin construction having a limited number of folds, pockets, and thickness of material, yet being capable of holding both bills and credit cards in separate pockets. Access to the card pocket may be achieved without u...
06/09/1987
4646511Turning panel flap of zipper-equipped package material
A feed conveyor arrangement is disclosed for horizontally unwinding zipper-equipped sheet packaging material from a supply roll and turning back a flap portion of the sheet material for reception of product prior to delivery into a form, fill, and seal ma...
03/03/1987
4557715Tuck assembly for a pocket file folder line
A tuck assembly for automatically inverting the gussets of a pocket file folder as the file folder is moved through a cutting and folding line, the assembly includes a tuck section having a plurality of a V-type tuck rolls of decreasing depth for opening ...
12/10/1985
4529396Apparatus for forming a rolled tubular fabric article
An apparatus for rolling elongated tubular fabric surgical drapes and the like comprising an arrangement of at least four opposed drive belts mounted on a support frame for receiving an open end of the tubular article engageable with longitudinal runs of ...
07/16/1985
4401257Multiple pocket, expandable envelope, and blank and method for forming same
A multiple pocket, expandable envelope is formed by folding panels of a planar, unitary blank relative to each other. The envelope has a front, a back, and a pair of intermediate panels hingedly coupled to each other along parallel end edges. A front divi...
08/30/1983
4338084Method for piling or stacking sacks or bags
Before piling or stacking the bags, the intermediate part (1) of the bag lying between the reinforced or thickened top and/or bottom part (2,3) is folded so as to create a layer having a thickness corresponding to the thickness of the top and/or bottom pa...
07/06/1982
4331290Multiple pocket, expandable envelope, and blank and method for forming same
A multiple pocket, expandable envelope is formed by folding panels of a planar, unitary blank relative to each other. The envelope has two pair of front and back panels hingedly coupled along a common end edge. Each front and back panel includes a front a...
05/25/1982
4286954Method of folding an inflatable restraint cushion
A method of folding an inflatable restraint cushion for storage in a support housing which is mountable to the lower portion of the instrument panel of a vehicle. The method involves forming pleats in the cushion in a manner that, during initial deploymen...
09/01/1981
4273550Method for producing a flat bottom plastic bag
A flat-bottom bag is produced from a heat sealable tubular material having gusseted sides by clamping front and back walls in a central longitudinal region, flaring the gussets outward to about 180° to provide a corner gusset tuck and refolding the gusse...
06/16/1981
4151787Multiple folded plastic bag method
A "U" folded side-welded bag having a multiplicity of folds for packaging within a carton with the open top end of the bag terminating at the outermost fold, formed by introducing an off-center fold transverse to the longitudinal axis of the bag and windi...
05/01/1979
4068451Paper bag opening device
A device for serially opening a plurality of paper bags in rapid succession and placing them in a predetermined location for manual loading. The device is particularly useful at checkout counters at supermarkets and similar locations, and includes means f...
01/17/1978
4036116Method of stacking flat bags or sacks which are folded about at least two transverse fold lines
To form stacks of flat folded bags, each bag comprising a mouth portion reinforced by at least one additional ply of bag material, the mouth portion and the base portion are both folded onto the central bag portion about respective fold lines so that thei...
07/19/1977
3998137Envelope making machine
A first roll is provided in its periphery with a row of vacuum holes extending lengthwise thereof for holding against it the previously folded leading edge of a traveling envelope having an unfolded closing flap at the trailing edge of the side of the env...
12/21/1976
3971301Process for the production of the closure of a hollow stick of shirred sausage casing
This invention relates to a unilaterally closed cylindrical hollow stick of shirred tubular casing having a closure within the stick bore in the zone of the stick beginning and formed from the casing end itself, said closure being composed of a U-shaped b...
07/27/1976
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