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:
Mar. 27, 1990

Filed:

Nov. 08, 1988
Applicant:
Inventor:

Anthony J Rowe, Edenvale, ZA;

Assignee:

AECI Limited, Johannesburg, ZA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C06C / ; F42B / ;
U.S. Cl.
CPC ...
1022753 ; 1022754 ;
Abstract

A detonating delay relay for shock or signal tube application so made as to be bidirectional. Comprising a delay detonator having a plug which holds two lengths of shock tube sealed at the ends. The detonation pulse is transmitted from one length of shock tube to the delay detonator. After a suitable delay, initiation of the other length of shock tube takes place.


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