Pipe joints or couplings – Essential catch – Resilient ring
Reexamination Certificate
2001-11-06
2003-03-11
Nicholson, Eric K. (Department: 3679)
Pipe joints or couplings
Essential catch
Resilient ring
C285S305000, C285S307000
Reexamination Certificate
active
06530606
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a fastening element for fitting parts according to the preamble of patent claim 1, to a spring ring according to claim 9 and to a fitting according to claim 10.
2. Summary of the Invention
The object of the invention is to provide a fastening element for fittings or fitting parts which is relatively uncomplicated and makes simple mounting possible.
This object is achieved by means of a fastening element having the features specified in patent claim 1.
Further advantageous embodiments of the invention are as specified in the dependent claims.
The invention is explained in more detail below by way of example., with reference to drawings in which:
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KWC AG
Nicholson Eric K.
Oliff & Berridg,e PLC
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