Pipes and tubular conduits – Flexible – Spirally wound material
Patent
1985-05-07
1986-07-08
Bryant, III, James E.
Pipes and tubular conduits
Flexible
Spirally wound material
138154, F16L 1116
Patent
active
045987394
ABSTRACT:
For joining together the turns of strip-wound hose and edges of the strip forming the turns are overlapped and folded connection band is placed along such folds. The connection band is then squeezed forming a fold neck in which the edges of the strip or strips are locked. Furthermore the connection band may be bent into an S-cross section with two open bays or pockets into which the overlapping strip edges are tucked before the pressing to give a strong seam. The edge parts of the strip may have a bead or be turned over.
REFERENCES:
patent: 1284064 (1918-11-01), DeLano
patent: 1512802 (1924-10-01), Robertson et al.
patent: 1598872 (1926-09-01), Palmer
patent: 2417676 (1947-03-01), Chernaek
patent: 2841183 (1958-07-01), Rejeski
Bryant III James E.
Youtie Robert K.
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