Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – For extrusion or injection type shaping means
Patent
1989-07-26
1990-08-28
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
For extrusion or injection type shaping means
2643287, 425192R, 425574, 425576, B29C 4510
Patent
active
049521314
ABSTRACT:
In a metal mold exchanging apparatus for use in an injection molding machine of the type wherein a metal mold is exchanged, there are provided a metal mold loading and unloading unit including a pair of metal mold supporting plates which are vertically spaced with a predetermined distance therebetween and an elevator for simultaneously raising and lowering the metal mold supporting plates for rendering the height of each one of the metal mold supporting plates to be equal to the height of position at which the metal mold is exchanged.
REFERENCES:
patent: 4555228 (1985-11-01), Nishiike et al.
patent: 4810181 (1989-03-01), Ozawa
Ito Hiroshi
Kitamura Hajime
Maruyama Kazuharu
Shirai Kanji
Yutaka Owashi
Heitbrink Timothy W.
Toshiba Kikai Kabushiki Kaisha
Woo Jay H.
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