B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/52 (2006.01) A44B 18/00 (2006.01) B29C 45/40 (2006.01) B29C 45/44 (2006.01)
Patent
CA 2133650
2133650 9322120 PCTABS00027 The present invention relates to a method of forming a fastener member having a base (114) and a plurality of headed stems (118) arranged in columns and rows and projecting from the base. The fastener member is formed by injection molding a molten material into a permanent base mold (102), sacrificial stem mold (100) and permanent head mold (104), wherein the material is solidified. After the base mold and head mold are removed, the stem mold may be removed to release the fastener member.
Hattori Jiro
Takagi Akimitsu
Torigoe Shinji
Minnesota Mining And Manufacturing Company
Smart & Biggar
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