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:
Apr. 23, 2002
Filed:
Dec. 29, 1999
Eitaro Kujubu, Mihara, JP;
Hiroshi Yoshimoto, Hiroshima-ken, JP;
Furukawa Mfg. Co., Ltd., , JP;
Abstract
A method and apparatus for controlling operation of a bag-forming and -filling packing apparatus for supplying unsealed packaged articles ( ) to a rotary vacuum packaging machine at regular intervals, in which the rotary vacuum packing machine is subjected to significant variations in loads. A main controller ( ) for receiving pulse signals calculates modulation of the pitch of pulses from a main motor ( ) of the rotary vacuum packaging machine, and control elements ( ) each attached to a corresponding one of all servo motors ( ) of the bag-forming and -filling packaging machine individually and simultaneously control the rotation value of each servo motor. This configuration can avoid step-wise control of each servo motor and reduce impacts on a rotary section and a failure rate while maintaining a slow control operation.