Method and apparatus for injection-molding a manifold onto a set

Details Method and apparatus for injection-molding a manifold onto a set Method and apparatus for injection-molding a manifold onto a set

1980-07-11

1982-10-05

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Prestressing solid body and uniting in stressed condition

249 63, 249145, 249177, 264250, 264251, 264252, 264254, 264255, 264275, 264277, 264334, 425116, 425123, 425468, 425577, B29C 604, B29C 106

Patent

active

043527728

ABSTRACT:
The invention provides a method and apparatus for injection-molding at least a first part of a plastics manifold element onto an extruded, panel-forming plurality of juxtaposed, hollow elements, comprising the steps of introducing into one set of ends of the hollow elements protrusions which extend from a core defining the shape of at least part of the interior space of the final manifold to be formed; clamping the region of the set of ends accommodating the protrusions between first and second mold members which, together with the core delimit the cavity of at least part of the final manifold; injecting plastic material into the cavity; and removing the core, and the mold members, whereby a strong bond is formed between the hollow elements and the manifold.

REFERENCES:
patent: 1465222 (1923-08-01), Kirton
patent: 3081497 (1963-03-01), Scherrz
patent: 3362302 (1968-01-01), Friedman
patent: 3618170 (1971-11-01), Owens
patent: 3643805 (1972-02-01), Hoffman
patent: 3784665 (1974-01-01), Keefe
patent: 3865666 (1975-02-01), Shoney

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