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Class 493/185 - Including crushing or crumpling


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus including stressing a workpiece beyond
No. of patents: 10
Last issue date: 08/23/2005


NumberTitleIssue Date
6932753Food serving paperboard container pressing apparatus employing cast-in electrical heaters
A pressing apparatus for producing a food service paperboard container from a paperboard blank so that the paperboard container possesses an overturned rim provided with folds includes a first die and a second die that are movable relative to one another. The first ...
08/23/2005
6398703Facility and machine for producing padded-like packing material
An apparatus for manufacturing a cushioning packaging material from a web-shaped material having at least two layers, the apparatus comprising a material supply shaft for deforming side edges of the web-shaped material into a substantially rolled shape wi...
06/04/2002
6339914Packaging machine
A packaging machine has a folding rail 36 for guiding a prefolded bottom forming portion 14 of a container 11 fitted around a mandrel 31 from a first process station to a second process station during the movement of the mandrel 31 from the first to the s...
01/22/2002
6159137Apparatus for folding sheet material having improved slitting, scoring/crushing, gathering, and folding sections or devices
A apparatus for manufacturing an object of a folded sheet material has improved slitting, scoring/crushing, gathering, and folding sections or devices. Qualifying means, slitting means, and scoring/crushing means are adjustable with respect to a flat, pla...
12/12/2000
6126584Method for forming a container with corrugated wall
A method of forming a paper container uses a three ply corrugated material having at least one inner or outer sheet of paper that may be stretched or compressed circumferentially to permit subsequent rolling of the corrugated material about a mandrel. A f...
10/03/2000
5607383Modular cushioning conversion machine
A modular cushioning conversion machine for converting a sheet-like stock material into a cushioning dunnage product characterized by first and second modular units. The first unit includes a housing and a forming assembly within the housing which forms t...
03/04/1997
4938413Collapsible boxes
A container having a number of walls of cardboard, fiberboard, plastic or other relatively stiff sheet material, joined along corner edges is made collapsible by providing one or more accordion folds transverse to the corner edges. Each accordion fold inc...
07/03/1990
4509312Automatic carton packing machine
A device for bending down and sealing triangular lugs that are formed on the top of a cardboard carton includes a conveyor for moving cartons in a running direction with the cartons having outstretched lugs. A plurality of clamp sets are connected to the ...
04/09/1985
4311476Method and apparatus for forming a container for liquids
An apparatus and method is disclosed for forming a liquid-tight container having a rectangular cross-section formed from a one-piece, T-shaped blank of paperboard material. The carton preferably includes an access flap and straw element on one side thereo...
01/19/1982
4279607Disc feeding apparatus for use with a packaging machine or the like
An improved multi-station machine is disclosed for assembling ring-type closures from generally cylindrical paperboard cylinders and generally circular paperboard discs. The machine employs a rotatable dial plate, carrying eight mandrels and an improved r...
07/21/1981
 
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