Braze-free connector utilizing a sealant coated ferrule

Details Braze-free connector utilizing a sealant coated ferrule Braze-free connector utilizing a sealant coated ferrule

2005-07-13

2008-09-02

Bochna, David E (Department: 3679)

Pipe joints or couplings

Packed

Wedge

C285S295200, C285S291100, C285S332100, C285S343000

Reexamination Certificate

active

07419192

ABSTRACT:
A braze-free connector suitable for use in a refrigeration system that includes a connector body having a circular opening passing therethrough. The opening has a converging section that tapers downwardly from the entrance to the opening toward the back of the opening. A ferrule is slidably mounted upon a refrigerant tube which is inserted into the opening to place a tapered collapsible section of the ferrule in contact with the tapered section of the opening. The non-collapsible section of the ferrule is keyed to a nut which in turn is mated with a male thread formed on the connector body whereby the collapsible section of the ferrule is forced into engagement with the refrigerant tube. A pressure sensitive sealant is pre-coated upon at least the collapsible section of the ferrule which is activated as the ferrule is forced into engagement with the refrigerant tube.

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