Vertical spigot joint

Details Vertical spigot joint Vertical spigot joint

1983-09-19

1985-12-10

Husar, Cornelius J.

Pipe joints or couplings

With casing, lining or protector

285295, 285374, 285DIG24, 277DIG2, 277DIG6, F16L 2712

Patent

active

045575070

ABSTRACT:
A vertical spigot joint for sealing the space between the socket and the end of a pipe inserted in the socket has an aluminium cord sealing the space and a filler mixture. The filler mixture comprises aluminium cement, vermiculite grains and a plastics material which retains its plastic properties in use. A sleeve of a glass fibre cloth coated with protective layers covers the joint and is secured to the pipe end and socket by silicone putty and by clamping strips. A thermally insulating refractory ceramic felt is provided between the pipe end and the filler material. The use of this filler mixture, together with the provision of the sleeve enables a joint to be produced which is gas-tight and absorbs relative movement of the pipe end and socket due to the media in the pipe or due to thermal expansion and contraction.

REFERENCES:
patent: 696316 (1902-03-01), Corbin
patent: 1834102 (1931-12-01), McCalley
patent: 2226312 (1940-12-01), Kuhns
patent: 2661500 (1953-12-01), Seymour et al.
patent: 3331621 (1967-07-01), Bagnulo
patent: 4156530 (1979-05-01), Rivkin et al.
patent: 4210070 (1980-07-01), Tatum et al.
patent: 4283172 (1981-08-01), Syvakari
patent: 4373377 (1983-02-01), Smith et al.
patent: 4417344 (1983-11-01), Hogg, Jr. et al.
patent: 4490092 (1984-12-01), Premont

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