GB1287676A - Ventilation trunk and method of making the same - Google Patents
Ventilation trunk and method of making the sameInfo
- Publication number
- GB1287676A GB1287676A GB3470770A GB3470770A GB1287676A GB 1287676 A GB1287676 A GB 1287676A GB 3470770 A GB3470770 A GB 3470770A GB 3470770 A GB3470770 A GB 3470770A GB 1287676 A GB1287676 A GB 1287676A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clip
- arms
- gasket
- flanges
- pipe
- 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.)
- Expired
Links
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/12—Flanged joints specially adapted for particular pipes
- F16L23/14—Flanged joints specially adapted for particular pipes for rectangular pipes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/366—Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0254—Ducting arrangements characterised by their mounting means, e.g. supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Duct Arrangements (AREA)
- Compressor (AREA)
Abstract
1287676 Clips and clamps TECHNIAIR SA 17 July 1970 [1 Aug 1969] 34707/70 Heading E2B [Also in Division F2] A ventilating pipe of polygonal cross-section has adjacent end portions 1, 2, Fig. 1, formed with backwardly bent flanges 1a, 2a which together make a seat for a gasket 4, the flanges being held together by a clip or clamp 5. As shown, a clip 5 is used, before assembly the arms 6 of the clip being separated by a part 4a, Fig. 2, of the gasket 4. The clip 5 is placed astride the abutted flanges 1a, 2a, and the gasket part 4a pushed towards its seat 3 by a tool (12), Fig. 3 (not shown), introduced between and pulled through the arms 6 of the clip 5. The lower end 7 of the clip arms 6 then latch themselves behind the pipe flanges 1a, 2a. Alternatively, Fig. 4 (not shown) the ends of the gasket 4 can be pulled to remove it from between the clip arms and permit latching. An alternative tool inserted between the clip arms 6 has interengaging toothed bars (14, 15), Figs. 5a, 5b (not shown), which when slidden axially relatively to each other, are cammed apart to force the gasket 4 towards its seat between the pipe flanges 1a, 2a. In a further modification, holes (16), Fig. 6 (not shown), can be provided in one of the clip arms 6 to allow insertion of a tool to push the gasket 4 down. The arms 6 of the clip 5 may alternatively be kept apart before applying to the pipe flanges 1a, 2a by a short strut (19), Fig. 7a (not shown), displaced by pushing the clip home, Fig. 7b, to effect latching. The clip 5 may be secured on the pipe flanges 1a, 2a by a nut and bolt (21), Fig. 8 (not shown), parallel to the axis of pipe, or by an additional clip (22), Fig. 9 (not shown), grasping its arms 6. Alternatively, the top, closed end of the clip 5 may be made relatively rigid by forming it in a rectangular cross-section (23), Fig. 10 (not shown). In another embodiment, the clip is replaced by a thin metal sheet 26, Fig. 11, laid across the gasket 24 seated between the pipe flanges 25, its ends (26a), Figs. 12b, 12c (not shown), being bent behind the pipe flanges. A U-shaped stiffener 27 is then secured transversely across the pipe by spot welds, &c 28.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1173669A CH513373A (en) | 1969-08-01 | 1969-08-01 | Ventilation duct and method of manufacturing this duct |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1287676A true GB1287676A (en) | 1972-09-06 |
Family
ID=4376405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3470770A Expired GB1287676A (en) | 1969-08-01 | 1970-07-17 | Ventilation trunk and method of making the same |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH513373A (en) |
DE (1) | DE2037278A1 (en) |
FR (1) | FR2051124A5 (en) |
GB (1) | GB1287676A (en) |
SE (1) | SE361206B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2149842A (en) * | 1983-11-12 | 1985-06-19 | Lucas Ind Plc | Clamping element |
GB2179089A (en) * | 1985-07-23 | 1987-02-25 | Graphic Forming Ltd | Resilient edge clamp |
WO1997023743A2 (en) * | 1995-12-21 | 1997-07-03 | Metu-System Meinig Kg | Butt joint of air duct sections |
-
1969
- 1969-08-01 CH CH1173669A patent/CH513373A/en not_active IP Right Cessation
-
1970
- 1970-06-12 FR FR7021546A patent/FR2051124A5/fr not_active Expired
- 1970-07-17 GB GB3470770A patent/GB1287676A/en not_active Expired
- 1970-07-28 DE DE19702037278 patent/DE2037278A1/en active Pending
- 1970-07-29 SE SE1041370A patent/SE361206B/xx unknown
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2149842A (en) * | 1983-11-12 | 1985-06-19 | Lucas Ind Plc | Clamping element |
GB2179089A (en) * | 1985-07-23 | 1987-02-25 | Graphic Forming Ltd | Resilient edge clamp |
GB2179089B (en) * | 1985-07-23 | 1989-10-25 | Graphic Forming Ltd | Resilient edge clamp |
WO1997023743A2 (en) * | 1995-12-21 | 1997-07-03 | Metu-System Meinig Kg | Butt joint of air duct sections |
WO1997023743A3 (en) * | 1995-12-21 | 1997-08-07 | Meinig Metu System | Butt joint of air duct sections |
CN1078942C (en) * | 1995-12-21 | 2002-02-06 | 梅图系统迈尼格两合公司 | Butt joint of air duct sections |
JP3440379B2 (en) | 1995-12-21 | 2003-08-25 | メツ・システム マイニッヒ カー.ゲー | Butt joints between air duct sections |
Also Published As
Publication number | Publication date |
---|---|
SE361206B (en) | 1973-10-22 |
FR2051124A5 (en) | 1971-04-02 |
DE2037278A1 (en) | 1971-02-11 |
CH513373A (en) | 1971-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |