Expansible plastic fixing plug

Details Expansible plastic fixing plug Expansible plastic fixing plug

1992-05-12

1993-07-27

Wilson, Neill R.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 55, 411508, F16B 1306, F16B 1900

Patent

active

052305953

ABSTRACT:
The expansible plastic fixing plug consists of a plastic body provided with a slot beginning at the front end of the body and extending longitudinally over a portion of the length of the body in a plane passing longitudinally through the body. The plastic body is provided with a longitudinal bore starting from the rear end for insertion of a fixing screw having an outer diameter. The longitudinal bore has a cylindrical portion having an inner diameter corresponding approximately to the outer diameter of the fixing screw and a narrowing portion ending at the slot. To reduce the insertion resistance for the fixing screw the narrowing portion narrows in a direction at right angles to the plane in which the slot extends and has a width in the plane along its length approximately equal to the inner diameter of the cylindrical portion.

REFERENCES:
patent: 3171321 (1965-03-01), Fischer
patent: 3323404 (1967-06-01), Fischer et al.

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