Method of using a composite joint infill system

Details Method of using a composite joint infill system Method of using a composite joint infill system

1991-08-14

1994-07-12

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, 264109, 264261, 264338, 1563042, B29C 6722, B29C 6500

Patent

active

053286480

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: 3954274 (1976-05-01), Grandlic et al.
patent: 4040165 (1977-08-01), Miessler et al.
patent: 4222804 (1980-09-01), Short
patent: 4338153 (1982-07-01), Zimmerman
patent: 4459251 (1984-07-01), Eldridge et al.
patent: 4630846 (1986-12-01), Nishino et al.

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