Bottles and jars – Closures – Self-sealing – piercable-type closure
Patent
1982-07-27
1984-04-24
Norton, Donald F.
Bottles and jars
Closures
Self-sealing, piercable-type closure
B65D 3900
Patent
active
044443307
ABSTRACT:
A stopper for hermetically sealing the opening of a medical container is made of an injection-moldable polymeric material containing a blend of 30 to 90% by weight of a butyl-based rubber and 70 to 10% by weight of a thermoplastic elastomer.
REFERENCES:
patent: 3136440 (1964-06-01), Krug et al.
Ichikawa Toshiji
Kasai Masaaki
Norton Donald F.
Terumo Kabushiki Kaisha
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