Package making – Progressively seamed cover web or web folds – With closing of web between package units
Patent
1993-07-06
1994-11-29
Culver, Horace M.
Package making
Progressively seamed cover web or web folds
With closing of web between package units
533746, B65B 908, B65B 5130
Patent
active
053678591
ABSTRACT:
An improved packaging apparatus comprising; a pair of endless belts 70 and 70 which respectively nip a tubular film 63 at a downstream domain of a frame body 14 which is capable of reciprocating itself in order to support a pair of sealing bars 65 and 66 for sealing a tubular film 63 used for covering a number of packageable individual contents 46 being conveyed in file; two pairs of pulleys 73 and 74 which respectively support a pair of belts 70 secured to a supporting plate 71 connected to the frame body 14; and a pair of bevel gears 80 and 80 which link an idle shaft 79 having own axis horizontally being secured to the supporting plate 71 by means of a pair of shafts of those pulleys 73 and 74 engaged with a pair of endless belts 70 and 70. An endless chain 86 links a chain wheel 86 secured to the idle shaft 79, a pair of chain wheels 84 and 85 secured to the frame body 14, and a pair of chain wheels 82 and 83 secured to the frame body 14, with each other. By properly selecting the number of the rotation of a drive chain wheel 83 which transmits drive force to the endless chain 86, speed of the rotation of those endless belts 70 and 70 during the proceeding operation of the frame body 14 can be reduced to zero against the speed of the proceeding movement of the frame body 14.
REFERENCES:
patent: 2951325 (1960-09-01), Podlesak et al.
patent: 3237371 (1966-03-01), Gerlach
patent: 3438173 (1969-04-01), Omori
patent: 5269119 (1993-12-01), Tolson
patent: 5271210 (1993-12-01), Tolson
patent: 5285621 (1994-02-01), Ballestrazzi et al.
Culver Horace M.
Ibaraki Seiki Machinery Company, Ltd.
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