Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate
2006-04-18
2006-04-18
Lee, Edmund H. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
C264S245000, C264S275000, C264S279000
Reexamination Certificate
active
07029617
ABSTRACT:
There are disclosed a multi-color injection molding process for producing an ink-jet printer member comprising a plastics substrate and an elastic material layer that are integrally composited, which comprises melt-injecting into a mold in turn, a material for a plastics substrate and an elastic material composed of a thermoplastic elastomer; and an insert molding process for producing the ink-jet printer member mentioned above, which comprises placing in advance, a plastics substrate of a prescribed form in a mold, and melt-injecting an elastic material composed of a thermoplastic elastomer into said plastics substrate. The above processes are well suited for the production of the ink-jet printer member such as an ink tank valve for supplying a recording head with an ink to be filled in an ink chamber, also of a sealing member which is installed at an ink supply port or on the main body of an ink-jet printer and prevents an ink from leaking through the ink supply port or through the recording head.
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Machida Kunio
Miyazawa Hisashi
Nishimuro Youichi
Suzuki Kazunaga
Bridgestone Corporation
Lee Edmund H.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Seiko Epson Corporation
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