F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 37/00 (2006.01) F16B 5/02 (2006.01) F16B 37/04 (2006.01) F16B 37/08 (2006.01) F16B 39/02 (2006.01)
Patent
CA 2494220
Of application in processes of assembly by screwing between a plastic piece (1) and a supporting base (3), for example a bodywork, from which a fastener (4) stands out perpendicularly. It is constituted by a circular base (5) and a hexagonal body (6) traversed by a central drilled hole (7) which passes through and has a main segment (8) and an expansion (9) in which are some slightly arched internal protuberances (10) which constitute the fastening means for connection of the nut to the fastener (4) after a slight rotation of or pressure from the former and it determines the fastening and provisional positioning of the plastic piece (1) with respect to the supporting base (3) prior to its screwing. During the screwing operation the cutting effect which the metal fastener (4) applies on the plastic walls of the drilled hole (7) gives rise to a thread.
Finlayson & Singlehurst
I.t.w. Espana S.a.
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