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Class 493/451 - By plural relatively movable folding edges approaching work from same side (e.g., zigzag folding, etc.)


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus wherein the stress is applied to form
No. of patents: 77
Last issue date: 07/08/2008


1    
NumberTitleIssue Date
7396322Informational item forming machine and method
A method and apparatus for forming informational items such as outserts and booklets may include folding a sheet of paper having product information printed thereon by making a plurality of folds in the sheet of paper to form a first folded article; (b) making a fol...
07/08/2008
7326168Method and apparatus for forming corrugated board carton blanks
An in-line method and apparatus for making a corrugated board and carton blanks from the corrugated board include: a laminating station for completing the formation of a corrugated board having a corrugated medium, an inner liner, and a printed outer liner; an adhes...
02/05/2008
7306554Method of forming a stack of interfolded sheets of web
An interfolding apparatus including first and second interfolding rolls. The interfolding rolls issue a stream of web material to form a stack of interfolded web material. A first packer finger is movable with respect to the first interfolding roll and includes a re...
12/11/2007
7303519Automatic machine and method for forming a corrugated pallet
A folding and gluing machine is provided for converting a corrugated blank into a panel having at least two parallel struts formed from the blank. The machine forms the struts by having compression chains on each side that exert pressure on the sides of the blank so...
12/04/2007
7270631Method of tucking side panels with side panel fold location control
A method of tucking a pair of side panels into a body portion of a pant-like garment in which the fold locations can be controlled. The garment is positioned between an upper vacuum conveyor and a lower vacuum conveyor. Opposing vacuum zones from the upper and lower...
09/18/2007
7182723Informational item final folding apparatus
A method and apparatus for forming informational items such as outserts and booklets may include folding a sheet of paper having product information printed thereon by making a plurality of folds in the sheet of paper to form a first folded article; (b) making a fol...
02/27/2007
7125044Method and device for folding up air bag, and air bag
An air bag is unfolded on a planar surface and is inflated with air. The air bag is loosely sandwiched between the upper and lower blades that are arranged in a radial configuration. Movable blocks progress toward the center to fold the upper and lower panels of the...
10/24/2006
7125490Porous filter
A filter has a longitudinal axis with an inner diameter defined by a hollow longitudinally extending center. The filter has fingers extend radially outwardly arcuately from the longitudinal axis. The fingers have base ends near the longitudinal axis and outer edges ...
10/24/2006
7121992Informational item forming machine and method
A method and apparatus for forming informational items such as outserts and booklets may include folding a sheet of paper having product information printed thereon by making a plurality of folds in the sheet of paper to form a first folded article, the folds in the...
10/17/2006
6994664Method for folding up an air bag
An air bag is unfolded on a planar surface and is inflated with air. The air bag is loosely sandwiched between the upper and lower blades that are arranged in a radial configuration. Movable blocks progress toward the center to fold the upper and lower panels of the...
02/07/2006
6953422System and method for replacing web folding boards
A system and method for selectively replacing one set of folding boards with another set of folding boards is provided. In one embodiment, a first set and a second set of folding boards are secured to carriage assemblies that are moveable in and out of a web-receivi...
10/11/2005
6951531Device and method for embossing book covers
The invention relates to a method for notching covers (3) for a book body (2), whereby at least two notches (5, 6) which delimit the spine are made in the cover by means of a notching tool. The invention provides that a set of automatic book bod...
10/04/2005
6918868Inflatable restraint system for an air bag
A supplemental inflatable restraint system includes an air bag for use in a vehicle to restrain an occupant. The air bag is folded and may be placed in a steering wheel cover such that inflation of the air bag causes the air bag to be deployed from the cover by unfo...
07/19/2005
6913570Method and apparatus for producing a composite structural panel with a folded material core
A folded core structure is produced by embossing fold lines into a flat planar material web, initiating folds along the fold lines on the upper and lower surfaces of the material web, proceeding with the formation of the folds along the fold lines to deform the mate...
07/05/2005
6910712Method of folding a gas bag for a vehicle occupant restraint system and folded gas bag
A method of folding a gas bag for a vehicle occupant restraint system comprises the following steps: unfolding the gas bag between a base and a hold-down, a traction envelope extending around the gas bag and being passed through the hold-down at a first end, a first...
06/28/2005
6789821Method and apparatus for folding an airbag
An airbag is pushed in portions by at least one slide means into at least one compartment in order to generate the folding. So that even complex folds are possible using a relatively simple apparatus, in accordance with the invention the airbag is arranged on the ap...
09/14/2004
6740025Method of folding a gas bag for a vehicle occupant restraint system and folded gas bag
A method of folding a gas bag for a vehicle occupant restraint system comprises the following steps: first, the gas bag is unfolded between a base and an opposing surface. A spacing is provided between the base and the opposing surface, which corresponds to a height...
05/25/2004
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
6656103Informational item forming machine and method
A method and apparatus for forming informationbal items such as outserts and booklets may include folding a sheet of paper having product information printed thereon by making a plurality of folds in the sheet of paper to form a first folded article, the ...
12/02/2003
6616587Method for folding an air bag
The invention relates to a method for folding together an inflatable airbag jacket of an airbag module for motor vehicles, in which the at least partly spread out airbag jacket is arranged in at least one folding pocket and a folding volume of the folding...
09/09/2003
6520901Apparatus for folding air bag body
An air bag body (1) is expanded by charging an air therein after being expanded in a flat surface shape. Next, by gently gripping the air bag body (1) by upper and lower blades (26, 25) radially arranged in a radial direction of the air bag body (1), a he...
02/18/2003
6485403Air bag system of folding an air bag
A pouch-shaped air bag (12) is spread out in a circle. Then, the portion of the air bag (12) located outside the inflator (16) is folded into a wave-like pattern from four directions so that four side portions (61) are formed along the inflator (16). Next...
11/26/2002
6254523Method of imparting directional permanency of folding to sheet, and apparatus therefor
A method of imparting directional permanency of folding to a sheet, and an apparatus therefor, which is suitable for manufacturing frame bodies, cushioning members and other block products for packaging, from a sheet of paper and other recyclable material...
07/03/2001
6171228Method for folding an airbag
A method and device for folding an airbag having a inner main fold and an outer main fold in a folded state. The airbag is fixed to a working surface, extended along a longitudinal axis away from the working surface, and fixed in the area of the inner or ...
01/09/2001
6152867Method and apparatus for compactly folding an airbag for an airbag apparatus in motor vehicles
A method and apparatus for compactly folding an airbag of an airbag apparatus adapted for use in motor vehicles. One side of the airbag has a central opening for connection to a gas generator, with a reinforcement preferably around the central opening. Th...
11/28/2000
6048298Apparatus for forming spiral pleated filter cartridges
A method is disclosed for forming a filter cartridge which includes the steps of providing a cylindrical filter element having a plurality of radially extending longitudinal pleats, engaging an outer periphery of the cylindrical filter element along a sub...
04/11/2000
5997457Method of manufacturing a direct mail article
A direct mail article that is produced from an integral web or sheet of card stock that can be transmitted through the mails without an outer wrapper or envelope comprises a large or oversized card approximately the size of a book or magazine cover, a pre...
12/07/1999
5960611Process for folding an airbag for a passenger restraint system
A method for packing an inflatable airbag of a passenger restraint system of a motor vehicle into a housing, wherein the airbag includes a fabric envelope stored in a housing when not in use and is automatically inflated by a gas generator into a form of ...
10/05/1999
5947885Method and apparatus for folding sheet materials with tessellated patterns
A variety of sheet materials can be tessellation folded with an infinite variety of patterns in a one-step folding process by placing the sheet material against a pallet having flat rigid segments and flexible hinges, exerting forces against the pallet in...
09/07/1999
5882288Apparatus and method for forming spiral pleated filter cartridges
A method is disclosed for forming a filter cartridge which includes the steps of providing a cylindrical filter element having a plurality of radially extending longitudinal pleats, engaging an outer periphery of the cylindrical filter element along a sub...
03/16/1999
5876320Universal half folder apparatus
A continuous sheet folder apparatus is disclosed that can fold any size paper in half with nested inserts inside the paper. The apparatus can also function in an intermittent mode. The half folding apparatus is accomplished by a set of lifting fingers and...
03/02/1999
5868660Method and apparatus for folding up air bag
A method of folding up an air bag comprises the steps of: folding up the horizontally-spread air bag crosswise so as to decrease its width crosswise; extending left and right regions on the center side of the air bag in the outer diagonally-upward directi...
02/09/1999
5803892Process for folding an airbag
An airbag, a process for folding same and an apparatus for carrying out the folding process are disclosed. In order to produce a folded airbag as well as a process and apparatus for manufacturing same which ensure that the airbag can unfold very quickly w...
09/08/1998
5785350Method of preparing a side collision air bag
An air bag against side collision, wherein two faces of mutually opposed peripheral wall portions having a substantially rectangular shape are connected by tethers in a strip or band-like shape whereby a distance of separation between the side wall portio...
07/28/1998
5782737Method of folding a vehicle safety airbag
A vehicle safety airbag is folded to an annular compact accordion-like configuration for placement around a conventional bag inflator. The bag folding operation involves axially stretching the bag, restraining localized areas of the stretched bag against ...
07/21/1998
5775733Airbag cushion folding process
The process comprises the steps of gripping top and bottom boundaries of the face portion of the main panel of the cushion and pulling it so that the front face portion is generally planar and the side panels extend generally outward from the canister. Fi...
07/07/1998
5755078Method and apparatus for folding an inflatable cushion
An apparatus is provided for folding an inflatable cushion having an end portion and a main body portion and inserting the folded cushion into a cover. The apparatus comprises folding structure for creating folds in the main body portion to form a folded ...
05/26/1998
5746690Method and apparatus for folding an inflatable cushion
An automated inflatable cushion folding process is provided wherein cushion tension, and, as a consequence, cushion wear, is reduced during the folding process. An inflatable cushion portion of a cushion assembly is folded by installing a cushion assembly...
05/05/1998
5701727Card affixing and form folding system
A system for affixing cards to a form and folding the form with the cards attached. The system includes a card affixer for affixing cards to any location on a form having a form transporting mechanism for moving the form, a carriage for receiving and hold...
12/30/1997
5669204Bag folding system
A method of automatically folding an air bag having an end coupled to a retainer and an opposed distal end including flattening and narrowing the bag, providing first and second upright blade assemblies each having individually movable blades between a no...
09/23/1997
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