Apparatus for making and stacking plastics bags

Details Apparatus for making and stacking plastics bags Apparatus for making and stacking plastics bags

1979-07-24

1980-11-25

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

1525831, B32B 3100, B30B 1534

Patent

active

042356598

ABSTRACT:
In a bag-making machine, a flattened tubular plastics web is intermittently fed by rollers and the leading end is held taut by air jets from tubes above and below the web. Welding jaws apply base seams for bag sections successively severed from the leading web end by knives. Between the knives and a stacking conveyor for the bag sections there is a supporting plate for the bag sections co-operating with a depressor. Two rows of needles pass alternately through slots in the supporting plate into a raised spiking position. Upon completion of a stack, the needles of one row are moved by a carrier to push the stack closer to the conveyor while the latter is moving and are eventually retracted from the stack while the needles of the other row take their place by moving into the spiking position for the next stack of bag sections.

REFERENCES:
patent: 3917505 (1975-11-01), Schulze
patent: 4021291 (1977-05-01), Joice
patent: 4083747 (1978-04-01), Rochla

Affiliated with

Also associated with

Rating

Apparatus for making and stacking plastics bags does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for making and stacking plastics bags, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for making and stacking plastics bags will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1128153