Title:
METHOD AND DEVICE FOR DRIVING SEALING MEMBER OF PACKER
Document Type and Number:
Japanese Patent JPS6034316
Kind Code:
A
Abstract:
A packing machine for making filled and sealed bags from superposed wrapper sheets, has a pair of cooperating sealing rollers for providing longitudinal seams on the superposed wrapper sheets passed therebetween; a mechanism for rotating unidirectionally the sealing rollers in first and second consecutive steps for providing the longitudinal seams in two consecutive length portions, each corresponding to one-half of the predetermined length; a pair of cooperating sealing shoes movable towards and away from one another for assuming, respectively, a sealing position to provide a transverse seam on the superposed wrapper sheets and an idling position; and a mechanism for moving the sealing shoes, while in the sealing position, codirectionally with the travelling direction of the wrapper sheets during a period in which one of the two steps is performed and for moving the sealing shoes, while in the idling position, against the travelling direction during a period in which the other of the two steps is performed.
Inventors:
GEORUGU KOTSUPU
Application Number:
JP14705584A
Publication Date:
February 21, 1985
Filing Date:
July 17, 1984
Export Citation:
Assignee:
SIG SCHWEIZ INDUSTRIEGES
International Classes:
B65B9/02; B65B51/26; B65B63/02; B65B65/02; (IPC1-7): B65B9/02; B65B51/26; B65B65/02
Attorney, Agent or Firm:
Haruo Hamada