Strapping machine

Details Strapping machine Strapping machine

1977-05-10

1979-05-22

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With stretching or tensioning means

100 33PB, 156495, B32B 3500

Patent

active

041557999

ABSTRACT:
A strapping machine comprises a roller for reversely rotating by a one way motor to tighten a package with a band, a differential reducing mechanism engaged to a clutch whereby the roller is reversely rotated at high speed before sliding the clutch and is further reversely rotated at low speed and high torque after sliding the clutch and a seal forming shaft starts when a return roller is stopped under a predetermined tension applied by tightening the band. The strapping machine further comprises a cutter anvil to contact the inner surfaces of the bands at the superposed part with a heating element inserted into the superposed part of the bands and a cutter for cutting the band under suitable tension after cooling the heat-sealed bands.

REFERENCES:
patent: 3269300 (1966-08-01), Billett et al.
patent: 3566778 (1971-03-01), Vilcins
patent: 3863557 (1975-02-01), Takahashi
patent: 3866812 (1975-02-01), Gutjahr
patent: 4020756 (1977-05-01), Weiss

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