Apparatus for producing packing cases

Details Apparatus for producing packing cases Apparatus for producing packing cases

1973-12-19

1976-08-24

Coan, James F.

Plastic article or earthenware shaping or treating: apparatus

Projection

93 47, 93 49R, 93 583, 93 59MT, 425299, B31B 122, B31B 152

Patent

active

039759946

ABSTRACT:
A packing case or box having a bottom, opposing lateral side walls, opposing longitudinal side walls and upper side walls, or fixed flaps, at opposing edges of the lateral side walls is produced from a blank piece of thermoplastic material, and an apparatus is provided for producing the packing case which is operated to perform the steps of melting and cutting unnecessary portions for forming the case by pressing a heated die upon the sheet of stock and at the same time impressing scorings or grooves upon the stock to be folded, folding the portions of the side walls and the fixed flaps defined by the scorings or grooves immediately after withdrawal of the heated die from the stock, and welding the heated and melted end walls of the connecting side portions of the stock in a folded position while the stock is in its molten state.

REFERENCES:
patent: 2589022 (1952-03-01), Page, Jr. et al
patent: 2843027 (1958-07-01), Sevison
patent: 3000275 (1961-09-01), Sevison
patent: 3101653 (1963-08-01), Burden
patent: 3247769 (1966-04-01), Stannard
patent: 3385177 (1968-05-01), Waterhouse
patent: 3729887 (1973-05-01), Reeves

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