Abstract

A brush useful in pipeline pigs, for example, in magnetic flux leakage tools or cleaning tools, a method of making the brush and pipeline pig comprising the brush. The brush has a metal bristle holder and a plurality of bristles, the ends of which are held in the bristle holder by glue, swaging or a combination …

Legal parties

Party
Inventors (applicants): Foong Weng Chee, Michael Hooper, Dolores Houghton
Assignees (initial): 766089 Alberta Ltd. (Calgary, CA)
Agents: Bennett Jones LLP (attorney)

The application was examined by Shay Karls (USPTO dept. 3723)

Claims

  • 1. A method of making a pipeline pig brush comprising …
  • 2. The method of claim 1 , wherein the bristle holder is a tube …
  • 3. The method of claim 1 , wherein the bristle holder is a metal structure …

Cited documents

Patents

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Brief Description of the Drawings

FIGS. 1A , 1B and 1C are partial cross-sectional views of embodiments of a metal brush. In FIG. 1A the bristle holder is a tube, which is shown in longitudinal …

Description

Field

The present invention relates to the field of brushes and methods of making brushes, particularly metal brushes, for use in pipeline …

Cross Reference to Related Applications

The present application is a continuation application of U.S. application Ser. No. 11/306,614 filed Jan. 4, 2006, which is presently pending. U.S. application Ser. No. 11/306,614 and the present application …

Detailed Description of Preferred Embodiments

Reference will now be made to the Figures, which show various embodiments of the brush. The brush 10 comprises at least one bundle 12 of bristles 14, the ends …

More details about Method of Making a Pipeline Pig Brush and Brush Assembly

Miscellaneous patent data

The assignee is a foreign company or corporation, the grant number is 08534768 (publication number), originally classified under Processes, the invention is named Method of Making a Pipeline Pig Brush and Brush Assembly, the application number is 12/946,656 (U.S.), developed by Dolores Houghton et al., the published applicant's name is Dolores Houghton, 16 figures depict the invention details, the patent grant was extended by 165 days, the inventor's name is Foong Weng Chee, the examination was conducted by Shay Karls (primary examiner, 3723 USPTO department), the assignee company is 766089 Alberta Ltd. located in Calgary (CA), the exemplary patent drawings are 2B and 2C are partial, Method of Making a Pipeline, 1B and 1C are partial, 3B and 3C are partial, the invention description is illustrated by 8 drawings, the grant date is Sep. 17, 2013 (publication date), similar categories include Tuft gathering, Impregnating, Preparing uniform tufts of bristles, Machines or apparatus for cutting bristles, Machines for drilling bodies, Implements, Filling, Work holders, Cleaning, Mop-Making Machines, the application publication date is Nov. 15, 2010, the protection scope is defined by 19 claims, the claim number 1 is selected as exemplary, particularly claims a method of making a pipeline pig brush comprising…, the agent's company name is Bennett Jones LLP.

Invention classification information

The invention is classified under Metal bristle, Tuft socket, Tuft fasteners, Processes, Machines for inserting or fixing bristles in bodies. The designated search classifications include Metal bristle, Fluid current operated, Processes.

Patent details
Publication number 08534768
Publication date Sep. 17, 2013
Kind code B2
Application number 12/946,656
Application date Nov. 15, 2010
Application type U
Application series code 12
Extension term 165
National classification 300/21
Total number of claims 19
Exemplary claims 1
Number of drawings 8
Number of figures 16
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