Process and apparatus for forming a tube from a flat web

Details Process and apparatus for forming a tube from a flat web Process and apparatus for forming a tube from a flat web

1982-11-12

1984-10-23

Kimlin, Edward

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With means applying wave energy or electrical energy...

156443, 156461, 156466, 156200, 156203, 493302, 53550, B32B 1902, B31F 100, B29D 2300, B29D 2310

Patent

active

044786700

ABSTRACT:
Disclosed is a process and apparatus for forming a tube from a flat web by overlapping the edge zones of the web with one another or with a flexible strip while maintaining distance between the adhering, overlapping surfaces in order to provide horizontally straight edges, and thus a circumferentially constant diameter.

REFERENCES:
patent: 2285263 (1942-06-01), Fitch
patent: 2856742 (1958-10-01), Ballard
patent: 2912043 (1959-11-01), Bargholtz et al.
patent: 3066063 (1962-11-01), Ecklund et al.
patent: 3593483 (1971-07-01), Tracy
patent: 3912568 (1975-10-01), Ueno et al.
patent: 4331499 (1982-05-01), Madsen et al.
European Search Report.

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