Active mold apparatus

Details Active mold apparatus Active mold apparatus

2007-02-13

2007-02-13

Davis, Robert B. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

C425S128000, C425S129100

Reexamination Certificate

active

10885486

ABSTRACT:
Apparatus for forming a plastic attachment on an article includes clamping mechanisms which position the article and form a mold surrounding the appropriate section of the article. During the process of molding the plastic attachment, the article may be moved through the mold to facilitate forming the attachment along a length of the article. The apparatus is illustrated by an annular mold for forming mating plastic couplings around the ends of tubes such as corrugated and smooth-walled metal pipes.

REFERENCES:
patent: 2994107 (1961-08-01), Quinche
patent: 3244788 (1966-04-01), Michel et al.
patent: 3256378 (1966-06-01), Hauf
patent: 5683647 (1997-11-01), Kawasaki et al.

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