Invention Grant
US09074430B2 Composite limit collar 有权
复合极限环

Composite limit collar
Abstract:
A tubular component includes a limit collar disposed about the tubular component, and the limit collar comprises a body portion comprising a plurality of upsets disposed on an inner surface of the body portion, wherein the plurality of upsets define a first ring, a second ring, and at least one rib, at least one chamber formed between the inner surface of the body portion, an outer surface of the tubular component, and one or more surfaces of the first ring, the second ring, or the at least one rib, and a binder portion disposed in the at least one chamber.
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