Process and apparatus for the production of a pipe-shaped hollow

Details Process and apparatus for the production of a pipe-shaped hollow Process and apparatus for the production of a pipe-shaped hollow

1977-10-03

1980-04-29

Goolkasian, John T.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156510, 156538, 156218, B29D 2310

Patent

active

042004829

ABSTRACT:
For producing a tubular body from a blank of sheet material of which the opposite faces, at least adjacent respective opposite lateral margins of each face are made of mutually weldable thermoplastic material, the blank having a central section, and two opposite flanks which respectively have said opposite lateral margins distally of the central section.

REFERENCES:
patent: 2403995 (1946-07-01), Peters
patent: 3597292 (1971-09-01), Takeda
patent: 3764425 (1973-10-01), Neff et al.
patent: 3912568 (1975-10-01), Ueno et al.
JA. L. Watkin et al., "Pipe Manufacture", Metallurgy, 1970 Edition (in Russian), p. 412.

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