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
1996-07-10
1998-06-16
Heitbrink, Tim
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
264106, 264107, 425192R, 425810, B29C 4500
Patent
active
057666520
ABSTRACT:
An apparatus for holding a stamper plate in a molding metal die is provided which comprises a cavity plate having a cavity center hole, a stamper plate press member having a flange portion larger than the stamper plate center hole, a vacuum evacuation device, a compressed air supply device, a first connecting device for connecting the cavity center hole to the vacuum evacuation device, and a second connecting device for connecting the cavity center hole to the compressed air supply device. The stamper plate is mounted by inserting the stamper plate press member within the cavity center hole and the stamper plate center hole, such that the flange portion is engaged on the upper surface of the stamper plate and a space is formed between the stamper plate press member and the cavity center hole. The vacuum evacuation device is then connected to the cavity center hole through the first connecting device, so that the stamper plate press member is sucked into the cavity center hole. The stamper plate is removed by connecting the cavity center hole to the compressed air supply device through the second connecting device, so that the stamper plate press member is pushed out of the cavity center hole. A device for sucking the stamper plate onto the surface of the cavity plate can also be added.
REFERENCES:
patent: 4737096 (1988-04-01), Poorten
patent: 4961884 (1990-10-01), Watanabe et al.
patent: 5297951 (1994-03-01), Asai
patent: 5466145 (1995-11-01), Takahashi
Heitbrink Tim
Seiko Giken Co., Ltd.
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