Tensioning and connecting apparatus for connecting overlapping s

Details Tensioning and connecting apparatus for connecting overlapping s Tensioning and connecting apparatus for connecting overlapping s

1986-01-17

1989-04-11

Lesmes, George F.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With stretching or tensioning means

100 33PB, 156 735, 156502, 156530, 156579, 156580, B32B 3100, B65B 1334

Patent

active

048203637

ABSTRACT:
A band or strap of synthetic material, for instance thermoplastic material, placed as a ligature around a package or article to be wrapped is tensioned and its ends connected together, for instance by friction welding, by means of a tensioning and connecting apparatus for connecting overlapping strap ends of synthetic or thermoplastic material. The tensioning and connecting apparatus comprises a clamping member or shoe for restraining or holding the innermost end of the band or strap, a connecting or friction welding device and a tensioning device in the form of a slotted wheel located subsequent to the connecting or friction welding device as viewed in the direction from which tension is applied. The connecting or welding procedure involves a transverse motion such as vibration or oscillation of the innermost, free end of the strap or band relative to the longitudinal axis of the strap. The welding element of the connecting or friction welding device is driven by an electric motor which is powered by a built-in battery. A single actuation lever with a rotating knob or control grip allows execution of all operating procedures or functions. The tensioning and connecting apparatus can be used independently of an electrical power supply network, is versatile and is operable at any location.

REFERENCES:
patent: 3442735 (1969-05-01), Stensaker
patent: 4227949 (1980-10-01), Wehr
patent: 4305774 (1981-12-01), Wedeking
patent: 4595433 (1986-06-01), Ford
patent: 4605456 (1986-08-01), Annis

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