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.
Patent No.:
Date of Patent:
May. 30, 2000
Filed:
May. 26, 1998
Applicant:
Inventors:
Assignee:
Shikoku Kakoki Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ;
U.S. Cl.
CPC ...
53451 ; 53 51 ; 53 64 ; 53551 ; 533892 ; 226 30 ; 2424173 ; 2424181 ; 493 29 ; 493302 ;
Abstract
A packaging container production method for forming tubular web from sheet-like web and producing hexahedral packaging containers, wherein in order to secure a prescribed web W feeding amount, the operating amount of lug folding flaps, which forms a sealing part on tubular web by pressing both sides of the tubular web while folding the same, is set an idealistic position, pressure is generated at a cylinder 16 by a control device 23 via a control valve 31, in compliance with the deviation of the detection mark such as a specified printing pattern on the printing surface on web W from the reference position when the same is detected, and the tension applied onto web W is adjusted by the dancer roller 9.