Package making – Methods – Closing package or filled receptacle
Patent
1985-09-26
1986-08-19
Culver, Horace M.
Package making
Methods
Closing package or filled receptacle
156443, B65B 704, B65B 708, B65B 5118
Patent
active
046061754
ABSTRACT:
A bag closing and sealing machine is disclosed for closing and sealing stepped end adhesively sealed type bags. The machine is designed to allow a separation at the axial center line of the machine whenever a bag jam starts to occur. By providing for axial separation, lengthy and costly dismantling of the machine to clear a jam-up is eliminated. The machine comprises three primary sections which are a feeding and creasing section, a folding and heating section and a compression section. The various sections are fixedly attached partly to a fixed elongated frame and partly to a pivotable elongated frame in the preferred embodiment. In a modification of the preferred embodiment, the pivotable elongated frame is replaced by a slidable elongated frame to function in a similar manner. A method of quickly and easily releasing a jammed stepped end bag from the machine is also disclosed. The pivotable elongated frame may be also designed to slide or move away from the fixed elongated frame by various means such as by electric motor drive, worm gear drive, hydraulic or air cylinder drive, hand cranking or by manual pulling among other ways within the spirit and scope of the invention.
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patent: 3381448 (1968-05-01), Ayres et al.
patent: 3488244 (1970-01-01), Lepisto
patent: 3706177 (1972-12-01), Willett
patent: 3875726 (1975-04-01), Harris et al.
patent: 4191004 (1980-03-01), Gmuer et al.
Culver Horace M.
Thies Donna J.
Von Behren N. E.
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