The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 10, 1976

Filed:

Oct. 15, 1975
Applicant:
Inventor:

Jun Nakane, Chiba, JA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
229 30 ; 229 / ;
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 fixeed 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.


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