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:
Dec. 15, 1981

Filed:

Jul. 05, 1979
Applicant:
Inventors:

John J Grevich, Star Prairie, WI (US);

John J Gardetto, Hayward, WI (US);

Garry H Russell, Star Prairie, WI (US);

Assignee:

Domain Industries, New Richmond, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ;
U.S. Cl.
CPC ...
53373 ; 53550 ; 53568 ; 53562 ; 493194 ; 493206 ; 493208 ;
Abstract

A package forming and sealing machine receiving articles confined within a conveyed tubular wrapper of sheet material, a rotor having sealing and cutting heads radially adjustable for changing the span between adjacent heads on the periphery of the rotor, there being a swingable jaw and a stationary jaw on each of the heads, a locking linkage to operate the swingable jaw, a rotary shaft to operate the linkage, and substantially continuously driven from a sprocket through a disengageable clutch operated by a trip arm and stationary stop cams also radially adjustable with respect to the rotor axis, a chain loop embracing revolving sprockets on the rotor to produce operation of the swingable sealing jaws.


Find Patent Forward Citations

Grevich, John. (1981). Package forming and sealing apparatus (U.S. Patent No. 4305240). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4305240

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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