CA2210020A1 - Improved sifting screen - Google Patents

Improved sifting screen

Info

Publication number
CA2210020A1
CA2210020A1 CA002210020A CA2210020A CA2210020A1 CA 2210020 A1 CA2210020 A1 CA 2210020A1 CA 002210020 A CA002210020 A CA 002210020A CA 2210020 A CA2210020 A CA 2210020A CA 2210020 A1 CA2210020 A1 CA 2210020A1
Authority
CA
Canada
Prior art keywords
cloth
frame
woven
secured
sifting screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002210020A
Other languages
French (fr)
Other versions
CA2210020C (en
Inventor
Gordon James Cook
Andrew Hughes
Arthur Robert Bailey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger UK Holdings Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB9404071A external-priority patent/GB9404071D0/en
Application filed by Individual filed Critical Individual
Publication of CA2210020A1 publication Critical patent/CA2210020A1/en
Application granted granted Critical
Publication of CA2210020C publication Critical patent/CA2210020C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Filtering Materials (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

A sifting screen is described comprising a rigid frame, a first woven cloth of hard wearing metal wire, stretched thereacross and secured thereto, and a second woven cloth having a coarser mesh than the first cloth and being woven from an elongate material of greater cross-section than the first, also stretched across the frame, and secured thereto, below the first cloth, to support the latter against sagging. In accordance with the invention, the frame may be formed from heavy guage steel or more preferably glass reinforced gas blown polypropylene reinforced by elongate metal reinforcing elements or rods.
CA002210020A 1994-03-03 1995-02-28 Improved sifting screen Expired - Lifetime CA2210020C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9404071A GB9404071D0 (en) 1994-03-03 1994-03-03 Improved sifting screen
GB9404071.4 1994-03-03
CA002157276A CA2157276C (en) 1994-03-03 1995-02-28 Improved sifting screen

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002157276A Division CA2157276C (en) 1994-03-03 1995-02-28 Improved sifting screen

Publications (2)

Publication Number Publication Date
CA2210020A1 true CA2210020A1 (en) 1995-09-08
CA2210020C CA2210020C (en) 2003-04-22

Family

ID=25678129

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002210020A Expired - Lifetime CA2210020C (en) 1994-03-03 1995-02-28 Improved sifting screen

Country Status (1)

Country Link
CA (1) CA2210020C (en)

Also Published As

Publication number Publication date
CA2210020C (en) 2003-04-22

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Legal Events

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MKEX Expiry

Effective date: 20150302