Profiled plastic band

Details Profiled plastic band Profiled plastic band

1988-08-10

1989-09-26

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Spirally wound material

138122, 138154, F16L 1116

Patent

active

048692956

ABSTRACT:
A profiled band that includes two longitudinal edges of which one is provided with a groove and a parallel extending rib is allocated to the other one, which mentioned parts form a locked seam when the band is wound to a pipe, which seam is mechanically held in its operational position. The band is specifically suitable for an in situ production of wound pipes having a helically extending seam.

REFERENCES:
patent: 2739089 (1956-03-01), Hazeltorn
patent: 3199541 (1965-08-01), Richitelli
patent: 3679531 (1972-07-01), Wienand et al.
patent: 4209043 (1980-06-01), Menzel
patent: 4435460 (1984-03-01), Menzel
patent: 4566496 (1986-01-01), Menzel et al.
patent: 4687690 (1987-08-01), Menzel

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