Toilet – Hat fastening device – Includes slidably guided hair engaging element
Patent
1982-01-28
1984-02-14
Weakley, Harold W.
Toilet
Hat fastening device
Includes slidably guided hair engaging element
220 89A, F16K 1304
Patent
active
044310188
ABSTRACT:
A reverse buckling rupture disk apparatus, adapted to be clamped between inlet and outlet companion bolted flanges, the operation of which is unaffected by the torque applied to the bolts of the companion flanges. The apparatus is comprised of a reverse buckling rupture disk which is welded at its periphery to an annular support ring. The annular support ring is in turn welded to an annular support member. Methods of manufacturing the apparatus are also provided.
REFERENCES:
patent: 3467120 (1969-09-01), Hill
patent: 3685686 (1972-08-01), Raidl
patent: 3901259 (1975-08-01), Banbury
BS&B Safety Systems, Ltd.
Dougherty, Jr. C. Clark
Weakley Harold W.
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