Methods and apparatus for foldably closing the ends of laminated

Details Methods and apparatus for foldably closing the ends of laminated Methods and apparatus for foldably closing the ends of laminated

1975-12-09

1977-04-26

Simpson, Othell M.

Package making

Interrelated or safety controls

53 46, 53373, B65B 714, B65B 708, B65B 5114

Patent

active

040193055

ABSTRACT:
Toothpaste or like tubes having flexible metal-plastic laminate walls have one end flattened and folded in metal pressure jaw assemblies controllably heated in the range of 250.degree. to 350.degree. - 400.degree. F.

REFERENCES:
patent: 1975996 (1934-10-01), Westin
patent: 2077653 (1937-04-01), Westin
patent: 2381716 (1945-08-01), Booth
patent: 2389506 (1945-11-01), Hallead et al.
patent: 3137111 (1964-06-01), Bostrom

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