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Class Information
Number: 425/523
Name: Plastic article or earthenware shaping or treating: apparatus > Female mold and means to shape parison directly by internal fluid pressure, (e.g., blow mold, etc.) > Utilizing laminated parison
Description: Apparatus particularly adapted to shape a hollow preformed workpiece consisting of a first and a second layer of material.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8197744 Method and apparatus for blow molding Jun. 12, 2012
7959430 Device for producing a container Jun. 14, 2011
7959851 Method for forming strips of containers Jun. 14, 2011
7785519 Mold and procedure for the manufacture of a braking band of composite material, with ventilation ducts Aug. 31, 2010
7585452 Method and device for producing a container Sep. 8, 2009
7493930 Apparatus for forming at least one continuous strip of containers Feb. 24, 2009
7179071 Compression molding container preforms Feb. 20, 2007
6976004 Interactive kitchen control system and method Dec. 13, 2005
6932592 Metallocene-produced very low density polyethylenes Aug. 23, 2005
6723196 Machine and method for forming a container starting from a reel of material in web form Apr. 20, 2004
6555189 Twin-layer thermoplastic packaging and a process for its manufacture Apr. 29, 2003
6276914 Multiple gating nozzle Aug. 21, 2001
6244852 Method of producing a receptacle and a receptacle having pressure compensating openings Jun. 12, 2001
6217819 Universal single-row and multi-row insert stretch blow molding method and apparatus therefor Apr. 17, 2001
5988250 Apparatus for producing containers with a film made of thermoplastic synthetic material Nov. 23, 1999
5989482 Method and apparatus for manufacturing multi-layer bottle Nov. 23, 1999
5971740 Process and apparatus for producing a container Oct. 26, 1999
5792413 Top cover for instrument panel with seamless air bag door and method of manufacture Aug. 11, 1998
5785920 Extrusion molding apparatus and method of forming a parison Jul. 28, 1998
5779959 Process for forming plastic articles Jul. 14, 1998
5667748 Process and apparatus for multilayer blow molding and articles blow-molded therewith Sep. 16, 1997
5599494 Method of forming a parison having multiple resin layers Feb. 4, 1997
5573791 Apparatus for forming a parison having multiple resin layers Nov. 12, 1996
5571470 Method for fabricating a thin inner barrier layer within a preform Nov. 5, 1996
5569473 Apparatus for forming a recyclable lined container Oct. 29, 1996
5540878 Method for producing blow molded multilayer plastic articles Jul. 30, 1996
5460772 Process for multilayer blow molding Oct. 24, 1995
5256051 Storage head for a blow molding machine Oct. 26, 1993
5206032 Apparatus for producing a preform for the manufacture of a hollow body from thermoplastic material Apr. 27, 1993
5188849 Apparatus for making a multi-layer plastic bottle with a handle Feb. 23, 1993
5186875 Method of manufacturing of a novel hollow multi-layer article Feb. 16, 1993
5149485 Method and apparatus for extrusion blow molding polyethylene terephthalate articles Sep. 22, 1992
5143681 Extrusion blow molding of multilayer hollow bodies with layer disturbances limited to flash Sep. 1, 1992
5141698 Extrusion blow molding of multilayer hollow bodies with layer disturbances limited to flash Aug. 25, 1992
5110519 Process for minimizing disturbance of multi-layer laminate material in extrusion of multi-layer preforms for blow molding of hollow bodies May. 5, 1992
5087406 Method for making a multi-layer plastic container with a handle Feb. 11, 1992
5085816 Process for preparing laminar articles from a mixture of a polyolefin and ethylene/vinyl alcohol copolymers Feb. 4, 1992
5080855 Method and apparatus for extrusion blow molding polyethylene terephthalate articles Jan. 14, 1992
4978290 Molding device Dec. 18, 1990
4966543 Apparatus for forming a vented recyclable multilayer barrier container Oct. 30, 1990
4878823 Apparatus for applying a label to an open mold half Nov. 7, 1989
4874649 Process for producing hollow bodies of thermoplastic material Oct. 17, 1989
4867664 Extrusion molding equipment for multi-layer parison Sep. 19, 1989
4846660 Apparatus for producing double wall pipe Jul. 11, 1989
4744742 Molder for molding double-layered preforms in an injection, stretching and blow molding machine May. 17, 1988
4731216 Process for manufacturing a seamless laminar article Mar. 15, 1988
4728549 Multilayered container Mar. 1, 1988
4712990 Apparatus for injection molding and injection blow molding multi-layer articles Dec. 15, 1987
4708630 Apparatus for labeling blow-molded articles by placing label directly on the parison Nov. 24, 1987
4649810 Automatic cooking apparatus Mar. 17, 1987

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