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:
Jun. 01, 1976
Filed:
Aug. 12, 1975
Gert Deutschlander, Neuhausen am Rheinfall, CH;
S I G Schweizerische Industrie-Gesellschaft, Neuhausen am Rheinfall, CH;
Abstract
A packaging apparatus using a hose-shaped wrapper has a table on which the wrapper of indefinite length is advanced in the direction of its length. The wrapper contains uniformly spaced groups of articles to be packaged. The apparatus further has cooperating rotating welding shoes disposed in the path of travel of the wrapper for transversely bonding together wall portions of the wrapper between two article groups and endless chains formed of links and disposed above the table at both sides of the travelling path of the wrapper. Each chain has a chain portion extending adjacent and parallel to the travelling path of the wrapper along a length portion positioned upstream of the welding shoes as viewed in the direction of wrapper feed. A plurality of pressing members are secured to the chains at a predetermined distance; each pressing member on one chain cooperates with a pressing member on the other chain for pinching together the wrapper and supporting it laterally as it is fed through the welding shoes. Each pressing member includes a leading pressing finger and a trailing pressing finger, both affixed to a common unitary holder which, in turn, is pivotally secured to two successive chain joints. The leading pressing finger projects from the leading chain joint, which supports the associated holder to such an extent in the direction of wrapper feed as admitted by the distance between the chain-supporting sprocket closest to the welding shoes and the travelling path of the welding shoes.