Molded plastic article

Details Molded plastic article Molded plastic article

1976-06-25

1978-02-28

Lesmes, George F.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285423, 428 36, F16L 4702

Patent

active

040762823

ABSTRACT:
A molded article comprising a hollow body of a crosslinked polymer rotationally molded around a section of at least one piece of non-crosslinked conduit, which conduits protrude from said hollow body, made by attaching said conduits of non-crosslinked material at the desired location to the mold with said section being located inside a heated section of the mold so that the crosslinkable polymer during a rotational molding process is fused and crosslinked inside of the mold and around and in tight welding-type connection with said section, whereas the remainder of the piece or pieces of uncrosslinked polymer are heat-insulated, thus avoiding deformation or collapsing of these pieces.

REFERENCES:
patent: 2936261 (1960-05-01), Cole
patent: 3291670 (1966-12-01), Usab
patent: 3627869 (1971-12-01), Walton
patent: 3891490 (1975-06-01), Humphries
patent: 3966870 (1976-06-01), Vecchiotti
patent: 3972548 (1976-08-01), Roseen
patent: 3991243 (1976-11-01), Biddell

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