SE8300843D0 - VENTILDON FOR PIPE CIRCUITS WITH CIRCUIT SECTION CROSS - Google Patents
VENTILDON FOR PIPE CIRCUITS WITH CIRCUIT SECTION CROSSInfo
- Publication number
- SE8300843D0 SE8300843D0 SE8300843A SE8300843A SE8300843D0 SE 8300843 D0 SE8300843 D0 SE 8300843D0 SE 8300843 A SE8300843 A SE 8300843A SE 8300843 A SE8300843 A SE 8300843A SE 8300843 D0 SE8300843 D0 SE 8300843D0
- Authority
- SE
- Sweden
- Prior art keywords
- semi
- pipe
- plate
- ventildon
- circular
- Prior art date
Links
- 238000007688 edging Methods 0.000 abstract 2
- 230000001154 acute effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Lift Valve (AREA)
Abstract
A ventilation tool for cross-sectional circular piping (1) comprised of an arched, valve forming plate (3) whose contour shape is defined in part by a first edging section (5) with a semi-circular shape, and in part by a second edging section (6) with a semi-elliptical shape. The plate (3) is, with the assistance of a power transmission mechanism (4) pivots between the pipe's (1) open position in which the plate's convex side fits up against the inside of the pipe and a closing position in which the semi-circular edge section (5) is oriented perpendicular against the pipe's longitudinal axis at the same time as the semi-elliptical edge section (6) is orientated in an acute angle against the same axel.<IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8300843A SE438898B (en) | 1983-02-16 | 1983-02-16 | Ventilation tool for cross-sectional circular piping |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8300843A SE438898B (en) | 1983-02-16 | 1983-02-16 | Ventilation tool for cross-sectional circular piping |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8300843D0 true SE8300843D0 (en) | 1983-02-16 |
SE8300843L SE8300843L (en) | 1984-08-17 |
SE438898B SE438898B (en) | 1985-05-13 |
Family
ID=20350059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8300843A SE438898B (en) | 1983-02-16 | 1983-02-16 | Ventilation tool for cross-sectional circular piping |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE438898B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0502635L (en) * | 2005-12-02 | 2006-12-05 | Mats Persson | Check valve |
CN103850341B (en) * | 2014-02-21 | 2015-10-21 | 武汉圣禹排水系统有限公司 | Door is retained in cutting |
-
1983
- 1983-02-16 SE SE8300843A patent/SE438898B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8300843L (en) | 1984-08-17 |
SE438898B (en) | 1985-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8300843-3 Effective date: 19940910 Format of ref document f/p: F |