F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 25/10 (2006.01) F16B 33/00 (2006.01)
Patent
CA 2208703
A hole-shaping and thread-forming screw (1) has a non-cutting hole-shaping end section (2) that ends in a point, a shaft section (4) provided with a thread (3) and an engagement section (5). The non-cutting hole-shaping end section (2) tapers towards its end. The whole screw is made of a stainless material, in particular its end section (2). When the screw (1) is driven in, a hole is shaped without cutting into the workpiece (7) and is then threaded by the screw (1) itself.
Une vis (1) foreuse et taraudeuse comprend une section terminale (2) de forage sans enlèvement de copeaux et qui se termine en une pointe, une section (4) de tige pourvue d'un filetage (3) et une section de prise (5). La section terminale (2) de forage sans enlèvement de copeaux se rétrécit vers son extrémité. Toute la vis est constituée d'un matériau inoxydable, tout particulièrement sa section terminale (2). Lorsque l'on enfonce la vis (1), un trou est foré, sans enlèvement de copeaux, dans la pièce (7), trou dans lequel le filetage est ensuite formé par la vis (1) elle-même.
Osterle Helmut
Palm Erich
Robic
Sfs Industrie Holding Ag
LandOfFree
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