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Precision surface-replicating thermoplastic injection molding method and apparatus, using a heating phase and a cooling

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-045/73
출원번호 US-0986953 (1992-12-08)
발명자 / 주소
  • Maus Steven M. (Osseo MN) Galic George J. (Columbia Heights MN)
출원인 / 주소
  • Galic Maus Ventures (Columbia Heights MN 02)
인용정보 피인용 횟수 : 63  인용 특허 : 0

초록

Improved optical disks for information storage and holographic imaging, and optical lenses and reflective optical elements are among the difficult-to-mold thermoplastic products which require precision replication of the molding surfaces, in micro detail. By heating (with circulating heat transfer f

대표청구항

A method for injection molding thermoplastic articles within an injection mold having at least one mold cavity formed between opposing inserts made from high thermal conductivity material having at least 50,000 compressive yield strength, said inserts being maintained in thermal conductive contact w

이 특허를 인용한 특허 (63)

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