Richard B Davis
General Contractor in Grand Junction, CO
License number
Utah 8131052-E100
Issued Date
Nov 1, 2011
Category
Contractor
Type
E100 - General Engineering Qualifier
Address
Address
Grand Junction, CO
Professional information
Electrician At Timberline Electric
Position:
electrician at Timberline electric
Location:
Grand Junction, Colorado Area
Industry:
Construction
Work:
Timberline electric
-
electrician
Setting Utility Access Covers
US Patent:
2007014, Jun 28, 2007
Filed:
Feb 17, 2004
Appl. No.:
10/575994
Inventors:
Richard Davis - Grand Junction CO, US
International Classification:
E01C 7/32, E21B 10/08
US Classification:
175331000, 404075000
Abstract:
Apparatus and method of setting access covers to grade wherein the apparatus includes rubblizing bits and a vacuum, the first rubblizing bit having a central core with attached carriers for teeth to grind the underlying material into small pieces, a second rubblizing bit to rubblize below the ring of the access, a third bit for trimming a step for a T-lock, and a fourth bit for milling around an access ring for resurfacing and the steps of rubblizing down to the area of the bottom of the ring and sucking out the material by vacuum, settting the height of the ring and cover, trimming a step for a T-lock, and milling around the ring and cover a selected distance.