GB784158A - Ducting for conveying air or other gases - Google Patents

Ducting for conveying air or other gases

Info

Publication number
GB784158A
GB784158A GB185155A GB185155A GB784158A GB 784158 A GB784158 A GB 784158A GB 185155 A GB185155 A GB 185155A GB 185155 A GB185155 A GB 185155A GB 784158 A GB784158 A GB 784158A
Authority
GB
United Kingdom
Prior art keywords
ducting
pressings
section
gases
cross
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
Application number
GB185155A
Inventor
Angus Wellesley Duncan
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.)
Mining Engineering Co Ltd MECO
Original Assignee
Mining Engineering Co Ltd MECO
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
Application filed by Mining Engineering Co Ltd MECO filed Critical Mining Engineering Co Ltd MECO
Priority to GB185155A priority Critical patent/GB784158A/en
Priority to ES0226200A priority patent/ES226200A1/en
Publication of GB784158A publication Critical patent/GB784158A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/04—Air ducts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Duct Arrangements (AREA)

Abstract

784,158. Ducting for air or other gases: ducting joints. MINING ENGINEERING CO., Ltd. Jan. 17, 1956 [Jan. 21, 1955], No. 1851/55. Classes 99(1) and 99(2). The invention relates to ducting for conveying air or other gases comprising an assembly of component parts capable of being nested together for transport. As shown the ducting is formed from semi-cylindrical sheet metal pressings 10, 11. The longitudinal joints between the pressings may be of the form shown in Fig. 3. The studs 18 may be replaced by short bars or other projections which are slotted to receive captive wedges for closing the members together. The seal comprises an endless rubber band 16 of circular cross-section. To join two lengths of the ducting together they are placed in axial alignment with their ends in engagement and with a rubber or plastic ring 25 of dumb-bell cross-section stretched elastically around the adjacent portions of the ends (see particularly, Fig. 8). The joint is completed by a divided clamping ring 26. The ring is in two or three part circular sections. For connecting the ducting to a fan casing a flanged ring can be attached to the end of a length of ducting by the means described for connecting two lengths of ducting. Each length of ducting may be formed from three or more part cylindrical pressings. The ducting need not be of cylindrical cross-section but may be of polygonal or oval cross section. The pressings can be made from galvanized sheet steel.
GB185155A 1955-01-21 1955-01-21 Ducting for conveying air or other gases Expired GB784158A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB185155A GB784158A (en) 1955-01-21 1955-01-21 Ducting for conveying air or other gases
ES0226200A ES226200A1 (en) 1955-01-21 1956-01-20 Ducting for conveying air or other gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB185155A GB784158A (en) 1955-01-21 1955-01-21 Ducting for conveying air or other gases

Publications (1)

Publication Number Publication Date
GB784158A true GB784158A (en) 1957-10-02

Family

ID=9729113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB185155A Expired GB784158A (en) 1955-01-21 1955-01-21 Ducting for conveying air or other gases

Country Status (2)

Country Link
ES (1) ES226200A1 (en)
GB (1) GB784158A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146261A (en) * 1977-02-12 1979-03-27 Motoren- Und Turbinen-Union Friedrichshafen Gmbh Clamping arrangement
GB2174472A (en) * 1985-03-27 1986-11-05 Carlos Joaquim Costa Martins De Oliveira Pipe with longitudinal joints
WO2016115605A1 (en) * 2015-01-23 2016-07-28 Ianni Industries Pty Limited Underground ventilation apparatus and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146261A (en) * 1977-02-12 1979-03-27 Motoren- Und Turbinen-Union Friedrichshafen Gmbh Clamping arrangement
GB2174472A (en) * 1985-03-27 1986-11-05 Carlos Joaquim Costa Martins De Oliveira Pipe with longitudinal joints
GB2174472B (en) * 1985-03-27 1989-06-21 Carlos Joaquim Costa Martins De Oliveira Pipe with longitudinal joints
WO2016115605A1 (en) * 2015-01-23 2016-07-28 Ianni Industries Pty Limited Underground ventilation apparatus and method
CN107208481A (en) * 2015-01-23 2017-09-26 波利文特私人有限公司 Underground ventilation apparatus and method
US10760420B2 (en) 2015-01-23 2020-09-01 Polyvent Pty Ltd Underground ventilation apparatus and method

Also Published As

Publication number Publication date
ES226200A1 (en) 1956-03-01

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