Package making – Gas filling and/or evacuating of receptacle and closing
Patent
1990-08-13
1991-11-26
Culver, Horace M.
Package making
Gas filling and/or evacuating of receptacle and closing
53 88, 53503, 53504, 531388, B65B 3106, B65B 6712, B65B 4336
Patent
active
050673017
ABSTRACT:
An apparatus for inflating balloons of the kind having a body and a filling neck terminating in a beaded edge, said apparatus comprising a balloon support plate having a sealing surface and an open ended slot extending from one edge thereof to receive the filling neck of a balloon such that the beaded edge is adjacent said sealing surface and the body of the balloon is disposed on the remote side of the plate; a filling head selectively moveable toward said sealing surface to clamp said beaded edge between the filling head and sealing surface and establish a substantially gas tight seal between the filling head and beaded edge; and a pressurized gas flow passage through said filling head to the neck of a clamped balloon for inflation of the balloon. The apparatus further includes means for stretching, twisting and sealing the neck of the inflated balloons. In a preferred embodiment has the apparatus has a plurality of support plates mounted on a conveyor in the form of an endless loop. A plurality of filling heads are provided around the loop which includes suitable indexing means to respectfully align each slot with one of the filling heads.
REFERENCES:
patent: 2197527 (1940-04-01), Madden
patent: 3111796 (1963-11-01), Meissner
patent: 3380490 (1968-04-01), Ellenberg et al.
patent: 3401499 (1968-09-01), Jahnke
patent: 3536110 (1970-10-01), West
patent: 3580303 (1971-05-01), Roberge
patent: 3616823 (1971-11-01), Dello Iacono
patent: 3629992 (1971-12-01), Price et al.
patent: 4088161 (1978-05-01), Ikemoto
patent: 5016428 (1991-05-01), Helling et al.
Culver Horace M.
Draegert David A.
Pearlman Robert I.
The Commonwealth Industrial Gases Ltd.
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