Plastic article or earthenware shaping or treating: apparatus – Diverse distinct type shaping means – Shaping orifice and either a downstream preform reshaping...
Patent
1983-04-20
1984-06-12
Czaja, Donald E.
Plastic article or earthenware shaping or treating: apparatus
Diverse distinct type shaping means
Shaping orifice and either a downstream preform reshaping...
264566, 425 72R, A01J 2100
Patent
active
044539070
ABSTRACT:
The upper and lower ends of numbers of curved cooling pipes are rotatably supported in the variable-type bubble water cooling apparatus according to the present invention. The cooling water is supplied to the pipes. The diameter of enveloping circle formed by these curved cooling pipes at a determined horizontal position is varied by relatively rotating the upper and lower support members of pipes. Thus, as the diameter of bubble passing portion of the apparatus can freely be varied, bubbles of variety of sizes can be produced by a single apparatus. Also, the cooling effects and positions are constant and the produced bubble has no unevenness of its thickness.
REFERENCES:
patent: 3568252 (1971-03-01), Masuda et al.
patent: 3576929 (1971-04-01), Turner et al.
patent: 3659984 (1972-05-01), Krstolic
patent: 3778205 (1973-12-01), Turner et al.
patent: 3958913 (1976-05-01), Stangl
Czaja Donald E.
Hollander Roy F.
Thompson W.
Tomi Machinery Manufacturing Co. Ltd.
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