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Class Information
Number: 493/171
Name: Manufacturing container or tube from paper; or other manufacturing from a sheet or web > Container making > Rigid container (e.g., box, carton, cap, cup, etc.) > Folding > By plunger > Expandable or contractable plunger or reaction member
Description: Method or apparatus (a) wherein the male forming member is adapted to be modified to change the size or shape thereof; or, (b) including a backing element against which the male forming member is adapted to force the workpiece for bending, which backing element is adapted to be modified to change the size or shape thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
6746388 Method of designing a standup bag Jun. 8, 2004
6106450 Apparatus and method for set-up of a non-rectangular container from a knocked-down-flat (KDF) precursor Aug. 22, 2000
5971906 Tray forming apparatus and method Oct. 26, 1999
5807225 Apparatus for fabricating paperboard packaging Sep. 15, 1998
5795281 Apparatus and method for automatically forming an article Aug. 18, 1998
5656006 Method and apparatus for forming a work object Aug. 12, 1997
5573789 Apparatus having blades and plates for forming sheet material into a flower pot cover having outward fins Nov. 12, 1996
5523046 Method of using a female tool with movable plates to form a sheet of material into a flower pot or flower pot cover having outward fins Jun. 4, 1996
5452844 Stand-up type sachet intended to contain a liquid, pasty or pulverulent product Sep. 26, 1995
5411203 Stand-up type sachet intended to contain a liquid, pasty or pulverulent product May. 2, 1995
5356069 Stand-up type sachet intended to contain a liquid, pasty or pulverulent product Oct. 18, 1994
5286247 Flower pot or flower pot cover with fins Feb. 15, 1994
5256129 Box forming apparatus with extensible wing elements Oct. 26, 1993
5221248 Flower pot or flower pot cover with fins Jun. 22, 1993
5024641 Programmable dynamically adjustable plunger and tray former apparatus Jun. 18, 1991
4988331 Programmable dynamically adjustable plunger and tray former apparatus and method of adjusting Jan. 29, 1991
4832676 Method and apparatus for forming paperboard containers May. 23, 1989
4674998 Forming assembly for automatic machines for forming boxes from semi-finished flat blanks Jun. 23, 1987
4345905 Making of containers with tri-laminated end walls Aug. 24, 1982
4341055 Method for forming paper boxes and the like Jul. 27, 1982
4315752 Manufacture of H-dividers Feb. 16, 1982
4256025 Apparatus for forming a hinged carton Mar. 17, 1981
4052933 Tray forming method Oct. 11, 1977
4034657 Manufacture of receptacles Jul. 12, 1977
3952634 Carton blank forming apparatus Apr. 27, 1976











 
 
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