Dispensing – With discharge assistant – Insertable cartridge or removable container
Patent
1990-04-19
1992-08-18
Shaver, Kevin P.
Dispensing
With discharge assistant
Insertable cartridge or removable container
222386, B67D 542
Patent
active
051391783
ABSTRACT:
A cartridge intended for depositing a sealant composition with an extrusion device such as an extrusion gun is improved by exerting a constant pressure on a plunger during storage. The cartridge is a tube with an exit port on one end and a plunger on the other end where a pressure portion having a removable resilient element transmits a constant force to the composition through the plunger. The resilient element is removed before the cartridge is placed in the extrusion gun.
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Arch Edward D.
Schmitt Heinz M.
Borrousch Roger H.
Dow Corning S.A.
Shaver Kevin P.
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