Cushioning product and machine and method for producing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 29, 2002
Issued Date -
N/A
app pub date -
Oct 26, 2000
filing date -
Nov 5, 1998
priority date (Note) -
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Abstract
A machine for producing cushioning product is provided which allows a user to select a length of product to be produced from a plurality of selectable lengths. The machine comprises a frame, a plastic sheet supply assembly mounted on the frame, a forming assembly mounted on the frame downstream of the plastic sheet supply assembly which forms the plastic sheet into a tube with the lateral edges of the plastic sheet overlapping, a pulling assembly mounted on the frame downstream of the forming assembly which pulls the plastic sheet from the plastic sheet supply assembly to and over the forming assembly, a first heat sealing assembly mounted on the frame downstream of the forming assembly which is selectively activatable to longitudinally heat seal the overlapping lateral edges of the tube together a selected length from a continuous plurality of selectable lengths, and a second heat sealing assembly mounted on the frame downstream of the first heat sealing assembly which transversely heat seals the tube at each end of the longitudinal seal formed by the first heat sealing assembly to thereby form an air pillow.
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