05728406 is referenced by 8 patents and cites 77 patents.

An apparatus are described for extruding a soft, low density elastomeric thermoplastic foam. A single screw extruder having a very large screw length to diameter ratio is provided to thoroughly mix the thermoplastic elastomer with a blowing agent. A thin, substantially taperless die is also provided to form extruded profiles. By using such an apparatus, a variety of complex-shaped extruded profiles may be easily produced.

Title
Apparatus for extruding a low density thermoplastic foam
Application Number
378003
Publication Number
5728406
Application Date
December 20, 1996
Publication Date
March 17, 1998
Inventor
Dan C Muessel
Danvers
MA, US
Joseph V Perry
Chester
NH, US
Peter E Mertinooke
Amesbury
MA, US
Louis Halberstadt
Andover
MA, US
Agent
Testa Hurwitz & Thibeault
Assignee
Amesbury Group
MA, US
IPC
B29C 44/50
B29C 47/60
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