Plastic article or earthenware shaping or treating: apparatus – Including ventilating type hood or chamber encasing a...
Patent
1994-02-24
1996-07-30
Silbaugh, Jan H.
Plastic article or earthenware shaping or treating: apparatus
Including ventilating type hood or chamber encasing a...
425 85, 425190, 425215, 4254051, 425546, 425589, 425DIG60, 264102, B28B 700, B29C 4564
Patent
active
055405762
ABSTRACT:
An apparatus having a vacuum chamber or chamber, wherein the changing manner of the mold can be improved, the sealing structure of the vacuum chamber or an injection nozzle is simple, and the cost of the apparatus is reduced and preservation of the apparatus is improved. The apparatus has a vacuum chamber for surrounding a mold into an airtight situation. The vacuum chamber includes an upper casing and a lower casing, and they are being divided by a parting line defined by mating peripheral edge surfaces which incline upwardly from an operator-side to an opposite-side. An O-ring as a sealing member of the vacuum chamber is positioned between the peripheral edge surfaces.
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Kawakita Yukio
Sugiyama Shogo
Suzuki Kazuhiko
Dang Vi Duong
Silbaugh Jan H.
Toyoda Gosei Co,., Ltd.
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