Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Tool-engaging or accommodating means or with tool
Patent
1988-01-28
1989-05-23
Kyle, Deborah L.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Tool-engaging or accommodating means or with tool
403166, 403289, 376254, 376285, F16B 704
Patent
active
048325228
ABSTRACT:
The adapter extension of subject invention provides for the coaxial extension of a plunger or rod whose effective length has become shortened by weakness or failure of a back-up spring which causes the plunger or rod to lose its effectiveness as a strut, for example, a situation that occurs primarily in nuclear reactors where the plunger engages a grid, whereas the grid provides lateral support to the upper end of the dry tube. The adapter is thimble-like and fits tightly over the end of the plunger that engages the grid. The adapter contains a spring which has the effect of substituting for or supplementing the original spring behind or below the plunger. The body of the adapter includes a retainer for holding the interior spring captive during assembly and operation of the adapter.
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Dickherber Robert L.
Huizenga David L.
Thayer Dale F.
Adaptive Concepts, Ltd.
Kyle Deborah L.
Wasil Daniel
LandOfFree
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