US PATENT SUBCLASS 285 / 2
.~ With frangible or deformable element

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

1  DF  SAFETY RELEASE {1}
2.~ With frangible or deformable element

DEFINITION

Classification: 285/2

(under subclass 1) Devices which include a frangible or deformable element; e.g., a shear pin or bolt.

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3, for a frangible element essential to the making or disassembly of the joint.

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137, Fluid Handling,

59+, for freeze condition responsive safety means in fluid handling means.