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The Raychem Corporation was founded and headquartered in Menlo Park, California, in 1957 by Paul M. Cook, James B. Meikle, and Richard W. Muchmore. [1] Led by Cook and second-in-command Robert M. Halperin, Raychem became a pioneer of commercial products realized through radiation chemistry.
The sleeve is cooled in liquid nitrogen then, in this low-temperature state, mechanically expanded with a mandrel to fit easily over the two pipe ends to be joined. After fitting, it is allowed to rewarm, when the memory effect causes the sleeve to shrink back to its original smaller size, creating a tight joint.
Heat-shrink tubing was invented by Raychem Corporation [4] in 1962. [5] It is manufactured from a thermoplastic material such as polyolefin, fluoropolymer (such as FEP, PTFE or Kynar), PVC, neoprene, silicone elastomer or Viton. The process for making heat-shrink tubing is as follows: First the material is chosen based on its properties.
Heat-shrinkable sleeves are applied onto the cutback at the field weld or "field joint" during the construction of a pipeline. As described above, the heat-shrinkable sleeves have an adhesive that sticks the sleeve to the cutback and the factory applied mainline coating and also acts as a corrosion protective layer.
Heat-shrink may refer to: Heat-shrink tubing, for electrical work; Heat-shrinkable sleeve, for pipelines; Shrink wrap, for packaging This page was last edited on 28 ...
Arrange an oven rack about 6 inches from the heat source and preheat the broiler. On the stovetop, heat a large, deep-sided, oven-proof skillet over medium-high heat. Add the beef and cook ...