B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/52 (2006.01) B29C 45/44 (2006.01)
Patent
CA 2187180
A core material for injection molding, comprising a copolymer of a polyvinyl alcohol (PVA) and polyethylene oxide (PEO), as well as a core formed of said core material.
Matériau pour noyau destiné au moulage par injection, formé d'un copolymère obtenu à partir d'un alcool polyvinylique (PVA) et d'un oxyde de polyéthylène, et noyau composé dudit matériau.
Sawajiri Osamu
Shibahara Norihito
Minnesota Mining And Manufacturing Company
Smart & Biggar
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