Helically wound lock-seam tube

Details Helically wound lock-seam tube Helically wound lock-seam tube

1998-12-22

2000-07-11

Bryant, David P.

Pipes and tubular conduits

Spirally seamed

F16L 916

Patent

active

06085801&

ABSTRACT:
In a method for producing helically wound lock-seam tubing, a metal strip is fed to a forming head in which the tubing is formed. In order to prevent lock-seam slip, a clinching roller device form interlocking spaced deformations on the lock-seam. An apparatus for such production comprises a clinching roller provided with a recess for forming the deformations against a counter roller.

REFERENCES:
patent: 192079 (1877-06-01), Noble
patent: D213828 (1969-04-01), Blake
patent: 224228 (1880-02-01), Ritchie
patent: D296355 (1988-06-01), Kanao
patent: 470738 (1892-03-01), Bayles
patent: 683519 (1901-10-01), Taylor
patent: 1718983 (1929-07-01), Schneible
patent: 2339219 (1944-01-01), Crowley
patent: 2888043 (1959-05-01), Reid
patent: 3546910 (1970-12-01), Jensen
patent: 3604464 (1971-09-01), Pelley
patent: 3677046 (1972-07-01), Carroll
patent: 3940962 (1976-03-01), Davis
patent: 4706481 (1987-11-01), Castricum
"The Round Revolution" .COPYRGT.1993 Spiro International S.A., Switzerland.

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