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:
Jun. 17, 2008
Filed:
Sep. 30, 2004
Nils Alberto Heinke, Elkins, WV (US);
Roger Dean Skaggs, Bonne Terre, MO (US);
Stephen Mitchell Collinsworth, Stanton, KY (US);
Nils Alberto Heinke, Elkins, WV (US);
Roger Dean Skaggs, Bonne Terre, MO (US);
Stephen Mitchell Collinsworth, Stanton, KY (US);
International Technologies, LLC, Elkins, WV (US);
Abstract
A drill hole () extends into rock to be blasted. A blasting accessory () includes a container portion () for holding a predetermined volume of stemming material, and a spacer () for spacing the stemming material a predetermined distance from a surface, e.g. a blind bottom of the drill hole. The container portion has a top () surrounded by a dilatable, inverted skirt forming a seal (), and forms a support for a blasting substance like an explosive.