The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 10, 1985

Filed:

Aug. 04, 1980
Applicant:
Inventors:

Jacques Ciordinik, Bologna, IT;

Alessandro Penzo, Crespellano, IT;

Assignee:

CI.KA.RA. S.p.A., Bologna, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ; E21C / ;
U.S. Cl.
CPC ...
340550 ; 2541344 ;
Abstract

The intrusion warning wire-lattice presents the outer appearance of a normal wire fence, and it has also the same mechanical resistance, but it comprises tubular wires which contain electrical and/or optical conductors connected to a warning system which is responsive to any variation of the capability of conduction of the conductors. The wire lattice comprises a serpentine coil made of tubular wire presenting rectilinear vertical lengths which are connected together by intersecting horizontal wires, among which there are also tubular wires. The fence sections are assembled between hollow box-type posts, at the interior of which there terminate the ends of the tubular wire and there is effected, by means of connectors, the connection between the conductors of each fence section.


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