Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1993-04-16
1994-08-23
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Assembling or joining
29509, B23P 1100, B23P 1900
Patent
active
053395093
ABSTRACT:
A method and apparatus is employed for forming an attachment of a threaded fastener or other item to a deformable sheet material by a clinching technique, preferably without shearing the sheet material in the area of the interlocking attachment of the fastener with the sheet material. As a result, a secure, interlocked, joint is formed to which other items can be threadably secured, with such joint being leakproof in some embodiments. Such leakproof fastener assembly is especially advantageous in the manufacture of fluid-containing products or other applications where a leakproof construction is necessary or desirable. In other embodiments, however, where such leakproof feature is not needed or is undesirable, the invention still provides an improved, secure, interlocked attachment of a fastener to a sheet material item, wherein the sheet material item is a single layer item or a multiple layer item.
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BTM Corporation-TOG-L-LOC & LANCE-N-LOC Sheet Metal Joining Without Welding-6 pages.
BTM Corporation-TOG-L-LOC Sheet Metal Joining System-16 pages.
BTM Corporation-STUD-LOC Strength Data-1 page.
Sawdon Edwin G.
Sawdon Stephen E.
Bryant David P.
BTM Corporation
Rosenbaum Mark
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