Fastening and leak detector device and method for its use to sec

Details Fastening and leak detector device and method for its use to sec Fastening and leak detector device and method for its use to sec

1989-11-24

1992-01-14

Lindsey, Rodney M.

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

Having separate expander means

Bulged by axially contracting ends

411378, 411395, F16B 1304

Patent

active

050805428

ABSTRACT:
This invention deals with a device which is useful for the securing of roof structures, especially laminar type roof structures wherein an integral, obstensibly waterproof, covering is used as part of the laminar structure. It also deals with a unique method of detecting leaks in roofing structures which allows the location of such leaks with a certain preciseness by using the fastening devices of this invention as points of reference.

REFERENCES:
patent: 1988813 (1935-01-01), Seguin
patent: 2914106 (1959-11-01), Boyd
patent: 3021927 (1962-02-01), McKee, Jr.
patent: 3461769 (1969-08-01), Brosseit
patent: 4766923 (1988-08-01), Roper
patent: 4784554 (1988-11-01), Break
patent: 4820097 (1989-04-01), Maeda et al.

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