Moulded fixing devices

Details Moulded fixing devices Moulded fixing devices

1985-01-16

1987-05-19

Smith, Gary L.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Frangible member

411 61, F16B 1306

Patent

active

046663541

ABSTRACT:
The disclosure concerns a fixing device for securing fasteners such as bolts into concrete or other similar material. The device comprises a sleeve member (2, 4) having a block portion (6) in which a nut (14) is set. The block portion (6) has a frusto-conical extension portion (16) joined by shearable links (18) to an intermediate portion (20) of the member which has an internal frusto-conical surface (22) complementing the extrusion portion (16) of the block portion. Tightening the bolt shears the links in the usual way. According to the present invention the device is moulded in two longitudinally divided portions (2) and (4), hinged together by a plastics hinge (10) adjacent the block portion (6). In the as-moulded conditions the portions (2, 4) are arranged end-to-end, but are hinged together to form the device ready for use.

REFERENCES:
patent: 3199398 (1965-08-01), Weisz
patent: 3216304 (1965-11-01), James
patent: 3248998 (1966-05-01), Siegel
patent: 3518915 (1970-07-01), Gutshall
patent: 3757031 (1973-09-01), Izraeli
patent: 4049357 (1977-09-01), Hamisch
patent: 4118838 (1978-10-01), Schiefer
patent: 4405161 (1983-09-01), Young
patent: 4407618 (1983-10-01), Kimura

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