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.
Patent No.:
Date of Patent:
Jul. 12, 1994
Filed:
Jul. 01, 1993
Craig F Adams, Granby, CT (US);
Richard J Pebbles, Winchester, CT (US);
The Ensign-Bickford Company, Simsbury, CT (US);
Abstract
A coupling device (10) for coupling a detonator cap (22a, 22b) with a detonating cord (82) features a sleeve member (12) having a longitudinal bore (18) extending therethrough for receiving a detonator cap (22a, 22b) in one end and a detonating cord (82) in the other. The coupling device (10) includes a nut member (14) having an aperture for receiving the cord (82) and having a compression surface (34) for bearing against a compression portion defined below when the nut member (14) is secured onto the sleeve member (12). The nut member (14) may be secured to the sleeve member (12) with its aperture aligned with the bore (18). A compression portion (31) associated with the sleeve member (12) responds to pressure from the compression surface (34) of the nut member (14) for gripping a cord (82) when the nut member (14) is secured onto the sleeve member ( 12). Thus, a cord can be securely disposed in detonation signal transmission relation to a cap without having special coupling hardware, e.g., a mounting ferrule, on the cord. The sleeve member optionally includes a ferrule seat (28) for receiving a ferrule (16), dimensioned and configured to receive a detonating cord and to allow the cord to pass into the bore. The ferrule (16) may include the compression portion means, which may include a plurality of resilient tangs (32a, 32b) disposed about the bore.