Composite joint infill system

Details Composite joint infill system Composite joint infill system

1994-01-28

1996-02-06

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Uniting preform member with molding material

264 453, 264 465, 264 469, 264113, 264255, B29C 4406, B29C 4412

Patent

active

054894050

ABSTRACT:
A pair of concrete coated pipe joints welded together end to end with a gap between the concrete coatings, the gap being filled with a fast setting elastomeric polymeric infill material, either solid or foamed, and a particulate filler material, and a method for molding the infill material with the mold being filled with filler material before the polymer components are injected, and with a membrane lining the mold to prevent the polymer from adhering to the mold.

REFERENCES:
patent: 3359351 (1967-12-01), Bender
patent: 3686375 (1972-08-01), Hall
patent: 3717527 (1973-02-01), Benteler
patent: 4459251 (1984-07-01), Eldridge et al.
patent: 5328648 (1994-07-01), McBrien et al.

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