B - Operations – Transporting – 27 – F
Patent
B - Operations, Transporting
27
F
B27F 7/09 (2006.01) B25C 1/16 (2006.01) C06B 29/16 (2006.01) C06B 29/20 (2006.01) C06B 39/00 (2006.01) C06C 7/00 (2006.01)
Patent
CA 2089832
ABSTRACT A charge assembly apparatus for propelling an object such as a fastening element. One embodiment generally includes a propellant charge and a separate sensitizer which are substantially totally encased within a substantially non-rigid carrier strip. A plurality of these charge assemblies may be sequentially positioned within the carrier strip such that the present invention may be used with a fastening element driving apparatus in high production applications. When used in this application, the sensitizer is mechanically impacted by, for instance, a firing pin. The sensitizer is then driven into engagement with the propellant charge such that sufficient friction is created to ignite the propellant charge. The gases produced by combustion of the propellant charge therefore generate sufficient forces to propel the fastening element from the fastening element driving apparatus in the desired manner. wp-lw(JMM)/2429-12.PAT/NETJLJ November 25, 1991
Sencorp
Smart & Biggar
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