Apparatus for manufacturing a respirator cartridge seal

Details Apparatus for manufacturing a respirator cartridge seal Apparatus for manufacturing a respirator cartridge seal

1998-04-15

2000-08-08

Ortiz, Angela

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to cause relative movement between mold and charger

425435, B29C 3908, B29C 3910

Patent

active

06099293&

ABSTRACT:
A process and apparatus for forming a seal between a filter cartridge wall and a pleated filter disposed within the cartridge having a support for rotating the cartridge. A nozzle is connected to a source of sealant for injecting sealant into an area between the wall of the cartridge and the filter media. A valve connected to the nozzle valves sealant to the nozzle and has a draw back feature after a desired amount of sealant is injected. The method for sealing the filter media to the wall of the cartridge includes rotating the filter cartridge while disposing a nozzle into the interior of the cartridge and injecting a sealant through the nozzle controlled by a valve. The valve draws flow backwardly from the nozzle at the termination of the injection of sealant.

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