Method for forming a paperboard receptacle

Details Method for forming a paperboard receptacle Method for forming a paperboard receptacle

1980-12-16

1985-11-19

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264345, B29C 1100, B29D 3100

Patent

active

045541272

ABSTRACT:
Method for forming a paperboard receptacle includes male and female dies which draw the receptacle from a blank. The receptacle is moisturized during the drawing process to plasticize and lubricate the paperboard by injecting steam into one of the dies.

REFERENCES:
patent: 208097 (1878-09-01), House
patent: 1617704 (1927-02-01), Colditz et al.
patent: 1948314 (1934-02-01), Pratt et al.
patent: 1986291 (1935-01-01), Schur
patent: 2605855 (1952-08-01), Lenz
patent: 3511140 (1970-05-01), Hoyrup
patent: 3675692 (1972-07-01), Jeans
patent: 3676295 (1972-07-01), Rue
patent: 3932575 (1976-01-01), Andersson
Whittingtons Dictionary of Plastics p. 258.

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