Machine for producing polygonal cases

Details Machine for producing polygonal cases Machine for producing polygonal cases

1991-07-09

1992-09-15

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493143, 493295, B31B 328, B31B 302

Patent

active

051472716

ABSTRACT:
A case, made from a sheet material such as cardboard or corrugated board, having rectangular lateral faces connected in twos by a fold line. The fold lines are parallel to each other. Such a case comprises at least five lateral faces. It may be obtained by wrapping a sheet material blank about a mandrel in cooperation with a pressure plate whose profile corresponds to that of two or three consecutive faces of the mandrel.

REFERENCES:
patent: 2967655 (1961-01-01), Seger
patent: 4308023 (1981-12-01), Bidegain
patent: 4349345 (1982-09-01), Bodendoerfer
patent: 4843798 (1989-07-01), Focke et al.
patent: 4932930 (1990-06-01), Coalier et al.

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