B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/2.5
B65B 51/10 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01)
Patent
CA 2008087
SELF-ADJUSTING HEAT SEAL BAR ABSTRACT OF THE DISCLOSURE A system for controlling and modulating the pressure between members of pairs of heating and/or cooling members or bars utilized in a heat sealing machine is disclosed. Closer, more sensitive control of the inter-bar gap and allowable sealing pressure is achieved by the provision of a fluid pressure adjustable, spring- biased system which can be used to modulate the maximum force applied to the band between the bars according to the type of configuration of material to be processed.
Denker Stanley D.
Lehrke Bradley H.
Ridout & Maybee Llp
Sig Pack Inc.
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