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Title:
FILLING AND PACKAGING MACHINE
Document Type and Number:
Japanese Patent JP2004149145
Kind Code:
A
Abstract:

To provide a filling and packaging machine capable of compensating shortage of calorie when implementing a heat seal while pressurizing with a longitudinal sealing mechanism without reducing the packaging speed.

In the longitudinal filling and packaging machine, a film folding-back mechanism 14 comprises an inner surface guide member 19 to guide a film F to an inner surface side of the film F which is folded back to two along the width direction of the film F, a pair of right and left preheating block members 21 having an inclined receiving surface 22 or an arc-shaped receiving surface 33 on an outer surface side of the film F via a predetermined interval from the inner surface guide member 19 along the width direction of the film F so that the interval on the upstream side in the carrying direction of the film F is larger than the interval on the downstream side thereof, and a heater H provided inside the preheating block members 21.


Inventors:
TADA TOSHIO
HIRASAWA TORU
Application Number:
JP2002315466A
Publication Date:
May 27, 2004
Filing Date:
October 30, 2002
Export Citation:
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Assignee:
NIPPON SEIKI CO LTD
International Classes:
B29C65/00; B65B9/08; B65B51/26; B29C65/18; (IPC1-7): B65B9/08



 
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