Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing... – Including means to adjust relative position of a roll
Patent
1996-03-13
1997-09-02
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Press forming means, press reshaping means, or vulcanizing...
Including means to adjust relative position of a roll
100168, 100170, B29C 4324
Patent
active
056629508
ABSTRACT:
The present invention aims to provide a roll bending device for forming plastic sheet wherein no bending cylinders are used and operability is improved. A roll has a shaft at its both end portions, a second roll has a shaft at its both end portions. A pair of first housings has a bearing for supporting the shaft, and is positioned at both end portions of the shaft. A pair of housings has a bearing for supporting the shaft, and is positioned at both end portions of the shaft. A pair of housings has a bearing for supporting the shaft, and is positioned at the inside of the housings. A pair of housings has a bearing for supporting the shaft, and is positioned at the inside side of the housings. A pair of main cylinders supports the housings to pressurize the roll in a direction of the roll. A pair of gap adjusting devices is provided between the housings and to adjust a gap therebetween.
REFERENCES:
patent: 4817406 (1989-04-01), Alich
patent: 5048411 (1991-09-01), Siebert
patent: 5495798 (1996-03-01), Niskanen et al.
Nguyen Khanh P.
Toshiba Machine Co. Ltd.
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