Fastening apparatus and method

Details Fastening apparatus and method Fastening apparatus and method

B - Operations, Transporting

21

B

B21B 31/07 (2006.01) B21B 31/08 (2006.01) F16B 31/04 (2006.01)

Patent

CA 2422505

A fastening apparatus adapted for use with an annular first article (76) and a second article (75) which locates within the first article (76) such that a first end of the second article (75) projects through and beyond a first end of the first article (76) and a second end of the first article (76) is located relative to the second article (75). The apparatus comprises a housing (50), a piston (58) movably situated within the housing (50) to allow at least one locating portion (62) of the piston (58) to be retained within the housing (50) or to project through a corresponding opening (61) in the housing (50), pressure means (69) provided within the housing (50) to act on the piston (58), and at least one fastening member (71) attached to the housing (50).

L'invention porte sur un dispositif de fixation conçu pour s'utiliser avec un premier article annulaire (76) et un deuxième article (75) intérieur au premier (76), une premier extrémité du deuxième article (75) pénétrant dans le premier article (76) au delà de l'une de ses extrémités, et la deuxième extrémité du premier article (76) se situant par rapport à l'extrémité du deuxième article (75). Le dispositif comprenant un boîtier (50), un piston (58) mobile dans le boîtier (50) pour permettre à au moins une partie localisante (62) du piston (58) de se maintenir dans le boîtier (50) ou de se projeter à travers une ouverture correspondante (61) du boîtier (50), des moyens de mise sous pression (69) montés dans le boîtier (50) et agissant sur le piston (58), et au moins un élément de fixation (71) fixé au boîtier (50).

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