Pipe

Details Pipe Pipe

1998-06-26

1999-03-23

Brinson, Patrick

Pipes and tubular conduits

Longitudinally seamed

138166, 138171, 138168, 138 89, F16L 900

Patent

active

058846735

ABSTRACT:
The leading end portion of a caulking pawl portion formed in the end portion of a pipe main body is formed integrally with the pipe main body through the side surface portion of the caulking pawl portion which has a larger width in the longitudinal direction thereof than the width of the leading end portion in the longitudinal direction thereof. At the same time, the leading end portion of the caulking pawl portion is also formed integrally with the cap side end of the side surface portion of the caulking pawl portion.

REFERENCES:
patent: 955153 (1910-04-01), Graham
patent: 2884958 (1959-05-01), Asselin, Sr.
patent: 3347276 (1967-10-01), Dunn
patent: 3350751 (1967-11-01), Groschke
patent: 3425456 (1969-02-01), Schibig
patent: 3517702 (1970-06-01), Mueller et al.
patent: 4268559 (1981-05-01), Smuckler
patent: 4422478 (1983-12-01), Pentney et al.
patent: 4513787 (1985-04-01), Hegler et al.
patent: 4517234 (1985-05-01), Fisher
patent: 4951716 (1990-08-01), Tsunoda et al.
patent: 5505230 (1996-04-01), Bartholomew

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