Package making – Methods – Enclosing contents within progressively formed web means
Patent
1985-08-05
1989-03-21
Yost, Frank T.
Package making
Methods
Enclosing contents within progressively formed web means
53455, 53456, B65B 4304, B65B 5126
Patent
active
048132128
ABSTRACT:
A dual compartment powder cartridge including a porous shell formed by fusing the lapped side edge portions of a blank of sheet material to a central portion thereof to form two compartments, a pointed closed first end on the cartridge, powder in the dual compartments, and a sealed second end on the cartridge for closing the compartments. A machine for forming a dual compartment cartridge including a first station for scoring a strip of material with spaced parallel score lines, a second station for folding the strip of material along the score lines to cause opposite edge portions to be placed in lapped engagement with each other and with the central portion of the strip, and a third station for ultrasonically welding the lapped portions to provide a seam between two adjacent compartments. A method of forming a dual compartment powder cartridge consisting of the steps essentially described above relative to the machine, including the additional steps of forming one end of the cartridge to a point and sealing the first end, filling the cartridge with powder, and thereafter sealing the opposite end of the cartridge.
REFERENCES:
patent: 3353328 (1967-11-01), Wheeler et al.
patent: 3785111 (1974-01-01), Pike
patent: 4035984 (1977-07-01), Gerlach et al.
patent: 4346546 (1982-08-01), Tasker
Cullen John S.
Incorvia Samuel A.
Vogt James A.
Folkerts Michael D.
Gastel Joseph P.
Multiform Desiccants, Inc.
Yost Frank T.
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