Automatic wrapping machine comprising a tensioning and fastening

Details Automatic wrapping machine comprising a tensioning and fastening Automatic wrapping machine comprising a tensioning and fastening

1986-03-12

1987-09-01

Sipos, John

Package making

Partial cover application

Band or tube

53373, 100 33PB, 156502, 1565831, B65B 1302

Patent

active

046899383

ABSTRACT:
An automatic wrapping machine including a guiding device for guiding a wrapping band from a supply, a loop forming device for looping the wrapping band around an object and a tensioning and fastening appartus for the wrapping band. The tensioning and fastening apparatus includes a driving assembly, a tensioning assembly, a pair of wrapping band holders, an electrode plunger, and a movable plate assembly. The movable plate assembly preferably includes an upper plate and a lower plate which are slidable relative to one another so as to expose a counter electrode mounted on the lower plate when fastening or welding of the looped band is desired. The movable plate assembly is also preferably mounted for reciprocal movement relative to the frame of the apparatus to enable removal of the welded band loop.

REFERENCES:
patent: 3771436 (1973-11-01), Sato
patent: 4120239 (1978-10-01), Pasic
patent: 4240865 (1980-12-01), Kyts
patent: 4244773 (1981-01-01), Siebeck
patent: 4575994 (1986-03-01), Takami

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