Plastic molding for pipe systems

Details Plastic molding for pipe systems Plastic molding for pipe systems

1989-08-29

1991-07-09

Ryan, Patrick J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 3691, 428192, 138140, 138141, 138145, 138153, B32B 300

Patent

active

050304895

ABSTRACT:
The molding has a body (3) of thermoplastic. A sound-muffling layer (4), which is affixed to the body (3) by the injection-molding process, consists of a thermoplastic elastomer. The body (3) protrudes at its end from the sound-muffling layer (4). Welding sleeves (2) are welded onto these unlayered areas (5) of the body (3). Molding (1) in the course of repair work can also be severed in the area of the sound-muffling layer (4) and joined by means of butt welding. The thickness of the sound-muffling layer (4) is comparatively small.

REFERENCES:
patent: 4840826 (1989-06-01), Shirasaki et al.

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