SHAPED CLAMP Russian patent published in 2016 - IPC F16L23/04 

FIELD: machine building.

SUBSTANCE: invention relates to shaped clamp. Shaped clamp (1) comprises belt (2, 3), which has base (20) and oriented in radial direction inward side parts (21, 22) with inner sides (23, 24), and coupling device (5). Band (2, 3) at least on inner side (23, 24) of side parts (21, 22) has layer (26) of antifriction material made from graphite, zinc, molybdenum sulphide or of material from group of high-strength thermoplastic polymers based on polyarilatesterketones, in particular polyetheretherketones, polyamides, polyacetates, polyarylate ethers, polyethylene terephthalates, polyphenylene sulphides, polysulfones, polyethersulphones, of polyether imides, polyamideimides, polyacrylates, phenolic resin.

EFFECT: invention provides high tightening force at low costs.

11 cl, 2 dwg