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Class Information
Number: 264/550
Name: Plastic and nonmetallic article shaping or treating: processes > Direct application of fluid pressure differential to permanently shape, distort, or sustain work > Starting material is nonhollow planar finite length preform or product is finite length > Including use of male part to stretch heated preform which is formed by a female mold which determines shape of work
Description: Processes in which a member contacts and deforms or stretches a sheet of material in an axial direction before the application of differential fluid pressure to force it into conformity with a female mold which determines the shape of the workpiece.










Sub-classes under this class:

Class Number Class Name Patents
264/551 Simultaneous formation of plural articles 37


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8303757 Tensioning device for composite structures Nov. 6, 2012
8163217 Method of making heat-resistant transparent container Apr. 24, 2012
8101116 Preformed support device and method and apparatus for manufacturing the same Jan. 24, 2012
8083985 Method for producing appliance cabinets and appliance cabinet Produced by such method Dec. 27, 2011
8075835 Method of thermoforming using a syntactic foam plug Dec. 13, 2011
8071213 Resin coated piston manufacturing apparatus for shock absorber Dec. 6, 2011
7963217 Apparatus and method for producing display panel Jun. 21, 2011
7887741 Method for producing plastic products having grained surface thereon Feb. 15, 2011
7862318 Container having a rim or other feature encapsulated by or formed from injection-molded material Jan. 4, 2011
7837704 Medical device Nov. 23, 2010
7819893 Medical device Oct. 26, 2010
7799265 Method for thermo-molding a footed and bottomed cylindrical container Sep. 21, 2010
7700025 Microporous polyolefin film Apr. 20, 2010
7699594 Method and apparatus for supplying label to pseudo-core in in-mold labeling system Apr. 20, 2010
7582249 Method of manufacturing thermoplastic resin container Sep. 1, 2009
7560063 Thermoforming installation for producing shaped bodies made of plastic film, and method for producing the same Jul. 14, 2009
7507363 Methods of thermoforming non-self-supporting polymeric films and articles made therefrom Mar. 24, 2009
7442542 Shallow multi-well plastic chip for thermal multiplexing Oct. 28, 2008
7332121 Thermoforming apparatus for producing shaped bodies of plastic sheet, and a method for producing them Feb. 19, 2008
7323251 Decorating sheet, decorated resin molded article and method for production thereof Jan. 29, 2008
7311513 Installation for producing objects by thermoforming pellets of thermoplastic material Dec. 25, 2007
7128969 Method for the production of biologically-degradable packagings made from biaxially-drawn films Oct. 31, 2006
7033536 Method for thermoforming Apr. 25, 2006
7033453 Method for changing the orientation of the plies within a multi-ply product Apr. 25, 2006
6740284 Container with improved neck portion and method for making the same May. 25, 2004
6726873 Thermoforming or blow moulding of injection moulded preforms Apr. 27, 2004
6679967 Method for making a modular energy-absorbing assembly Jan. 20, 2004
6440354 Thermoforming process Aug. 27, 2002
6284166 Thermoforming pressure box adjustable in two dimensions and method of use Sep. 4, 2001
6205659 Method for forming push rod for switch Mar. 27, 2001
6132669 Process for preparing a molded article Oct. 17, 2000
6086800 Thermoforming process and apparatus Jul. 11, 2000
6045746 Method for producing resin article having undercut shape Apr. 4, 2000
6010062 Heat insulated vessel and a method of producing the same Jan. 4, 2000
5958326 Process for producing a lighting louver Sep. 28, 1999
5945059 Foil-decorating injection molding method Aug. 31, 1999
5927044 Panels with simulated shingles and method of manufacture Jul. 27, 1999
5894007 Differential pressure formed luggage with molded integrated frame Apr. 13, 1999
5833894 Sheet of expanded plastics material with absorbent properties towards aqueous liquids Nov. 10, 1998
5783229 Thermoforming process and apparatus Jul. 21, 1998
5683648 Thermoforming and heat shrinking for forming containers Nov. 4, 1997
5641524 Method and apparatus for vacuum/pressure thermoforming Jun. 24, 1997
5545370 Process for producing thermoformed article employing selective cooling Aug. 13, 1996
5454707 Non-scuffing, non-sticking blow core for stretch blow molding machines Oct. 3, 1995
5425627 Apparatus for forming the neck region on a plastics half shell Jun. 20, 1995
5385465 Verticle thermoforming apparatus Jan. 31, 1995
5380481 Process for thermoforming multilayer sheets Jan. 10, 1995
5262181 Apparatus for forming hollow articles in thermoplastic material Nov. 16, 1993
5228934 Method of forming a flower pot or flower pot cover with controlled pleats Jul. 20, 1993
5225213 Apparatus for differential pressure forming and trimming Jul. 6, 1993

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