CA2210020A1 - Improved sifting screen - Google Patents
Improved sifting screenInfo
- 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
Links
- 239000004744 fabric Substances 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 2
- 239000004743 Polypropylene Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- -1 polypropylene Polymers 0.000 abstract 1
- 229920001155 polypropylene Polymers 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000007665 sagging Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
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.
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) |
-
1995
- 1995-02-28 CA CA002210020A patent/CA2210020C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2210020C (en) | 2003-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20150302 |