Plastic pipe to metal pipe fitting

Details Plastic pipe to metal pipe fitting Plastic pipe to metal pipe fitting

1988-06-10

1988-12-27

Scherbel, David A.

Pipe joints or couplings

Elbow

285256, F16L 5500

Patent

active

047936380

ABSTRACT:
An interconnection between a plastic pipe and a larger diameter metal pipe having a first retainer ring received onto an end of the plastic pipe, a compressible bushing on the plastic pipe in contact with the first retainer ring, a second retainer ring, a pliant cylindrical seal in contact with the second retainer ring, a washer, an insert tube within the plastic pipe having an enlarged end contacting the washer, the metal pipe being deformed to clampingly engage and distend the pliant cylindrical seal.

REFERENCES:
patent: 309247 (1884-12-01), Patterson
patent: 630047 (1899-08-01), Gilbert
patent: 924515 (1909-06-01), Weber
patent: 3837686 (1974-09-01), Powell
patent: 4482170 (1984-11-01), Jacobson et al.

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