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Class Information
Number: 65/362
Name: Glass manufacturing > Plunger
Description: Apparatus comprising (1) a male forming element constructed to cooperate with a female mold, or (2) a plunger-type discharge assistant for a molten glass feeder.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8701444 Plunger and parison mold assembly for a narrow-neck press-and-blow wine bottle Apr. 22, 2014
8015844 Installation and method for the production of glass stoppers used for sealing bottles Sep. 13, 2011
7958751 Plunger foot assembly for a glassware forming machine Jun. 14, 2011
7340923 Pressing plunger mechanism for a glassware forming machine Mar. 11, 2008
7290406 I.S. machine Nov. 6, 2007
7003982 Apparatus for introducing blowing air into glass container forming machine molds Feb. 28, 2006
6948339 Punch assembly for producing hollow glass articles in a mold Sep. 27, 2005
6907756 Plunger for bottle forming I.S. machine Jun. 21, 2005
6907754 Self-aligning impact tolerant I.S. machine cartridge assembly Jun. 21, 2005
6701748 Glassware machine Mar. 9, 2004
6698241 Method and device for pressing a gob Mar. 2, 2004
6578386 Plunger mechanism for I.S. machine Jun. 17, 2003
6497120 Quick change connector for plunger for glass container forming process and equipment Dec. 24, 2002
6397635 Plunger mechanism for the pressing of gobs of molten glass in the blank mould of an I.S. machine for the production of hollow ware Jun. 4, 2002
6286339 Glass container forming machine plunger assembly Sep. 11, 2001
6170296 Mechanism for driving plungers of metal molds in a bottle-making machine Jan. 9, 2001
6170294 I. S. machine Jan. 9, 2001
6131502 Cavity jacket for plunger piston Oct. 17, 2000
6098426 Method and apparatus for forming a glass article possessing an aperture Aug. 8, 2000
6079226 Method of forming a glass parison Jun. 27, 2000
5964914 Plunger base module for a plunger mechanism of an I.S. machine Oct. 12, 1999
5908483 Apparatus and process for molding of glass Jun. 1, 1999
5876475 Glass container forming process and equipment Mar. 2, 1999
5868813 I. S. machine Feb. 9, 1999
5858049 Plunger mechanism for an I.S. machine Jan. 12, 1999
5853449 Plunger mechanism for an I.S. machine Dec. 29, 1998
5851257 Apparatus and method for pressing of glass articles at a high cavity rate Dec. 22, 1998
5823011 Apparatus for press molding glass bodies Oct. 20, 1998
5800590 Plunger assembly Sep. 1, 1998
5755848 Plunger supporting mechanism May. 26, 1998
5735926 Apparatus for the driving of plungers in a feeder of a glass forming machine Apr. 7, 1998
5728191 Plunger for gob feeder Mar. 17, 1998
5725629 Guide ring for I.S. glass forming machine Mar. 10, 1998
5718740 Plunger assembly for a glassware forming machine Feb. 17, 1998
5707414 Servo plunger mechanism Jan. 13, 1998
5693114 Multiple orifice glass feed utilizing plungers Dec. 2, 1997
5637129 Glass melting furnace plunger needle set-up fixture Jun. 10, 1997
5632794 Method and apparatus for cooling a glass pressing plunger May. 27, 1997
5632796 Piping arrangement for permitting vertical adjustment of a glassware forming machine May. 27, 1997
5609664 Guide ring for I. S. glass forming machine Mar. 11, 1997
5593472 Glass feeder heat baffle Jan. 14, 1997
5540747 Multiple orifice glass feed utilizing plungers Jul. 30, 1996
5531804 Plunger assembly adapter Jul. 2, 1996
5417730 Apparatus for molding an optical element May. 23, 1995
5411564 Pneumatic plunger mechanism for a glassware forming machine May. 2, 1995
5407457 Process and device for forming hollow glass objects having a neck with a localized constriction Apr. 18, 1995
5366528 Parison forming and plungers for use therein Nov. 22, 1994
5358543 Air tube structure in a glass container forming machine Oct. 25, 1994
5334233 Cylinder-port block arrangement for glass container forming apparatus Aug. 2, 1994
5318616 Plunger mechanism with a Hall sensor movement detection device for a glassware forming machine Jun. 7, 1994

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