CA2127057A1 - Line Blind Valve - Google Patents
Line Blind ValveInfo
- Publication number
- CA2127057A1 CA2127057A1 CA 2127057 CA2127057A CA2127057A1 CA 2127057 A1 CA2127057 A1 CA 2127057A1 CA 2127057 CA2127057 CA 2127057 CA 2127057 A CA2127057 A CA 2127057A CA 2127057 A1 CA2127057 A1 CA 2127057A1
- Authority
- CA
- Canada
- Prior art keywords
- valve
- gate
- blind
- sleeve
- line blind
- 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
Landscapes
- Sliding Valves (AREA)
Abstract
A line blind valve is disclosed which includes a housing having opposed similar housing halves with resilient sleeve units which compressibly engage each other in the valve open condition and engage opposite sides of the gate or blind in the valve closed condition. The line blind valve provides visibility of all gate edges so as to give a positive indication that the gate or blind has passed completely through the seals. Lockout is also provided when the gate or blind is closed. Each sleeve unit has a plurality of compression holes extending axially and arranged at intervals relative to the circumference of the sleeve. An encircling stiffening ring of harder material is encapsulated in each sleeve so as to be positioned at the inner end of the compression holes.
The line blind valve construction of the present invention results in no leakage to the outside when the valve is fully open and no leakage to the outside or past the gate internally when the valve is fully closed.
The line blind valve construction of the present invention results in no leakage to the outside when the valve is fully open and no leakage to the outside or past the gate internally when the valve is fully closed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/165,937 US5370149A (en) | 1991-08-16 | 1993-12-14 | Line blind valve |
| US08/165,937 | 1993-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2127057A1 true CA2127057A1 (en) | 1995-06-15 |
| CA2127057C CA2127057C (en) | 1998-04-28 |
Family
ID=22601097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2127057 Expired - Lifetime CA2127057C (en) | 1993-12-14 | 1994-06-29 | Line blind valve |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BR9404094A (en) |
| CA (1) | CA2127057C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101723851B1 (en) * | 2016-12-21 | 2017-04-06 | 김제현 | Gate valve with disk replacement structure |
-
1994
- 1994-06-29 CA CA 2127057 patent/CA2127057C/en not_active Expired - Lifetime
- 1994-10-14 BR BR9404094A patent/BR9404094A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR9404094A (en) | 1995-08-01 |
| CA2127057C (en) | 1998-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20140630 |