GB1451414A - Fire resistant ducting - Google Patents

Fire resistant ducting

Info

Publication number
GB1451414A
GB1451414A GB403474A GB403474A GB1451414A GB 1451414 A GB1451414 A GB 1451414A GB 403474 A GB403474 A GB 403474A GB 403474 A GB403474 A GB 403474A GB 1451414 A GB1451414 A GB 1451414A
Authority
GB
United Kingdom
Prior art keywords
ducting
joint
secured
joined
duct
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
GB403474A
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.)
HARGREAVES SONS Ltd HENRY
Original Assignee
HARGREAVES SONS Ltd HENRY
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 HARGREAVES SONS Ltd HENRY filed Critical HARGREAVES SONS Ltd HENRY
Priority to GB403474A priority Critical patent/GB1451414A/en
Publication of GB1451414A publication Critical patent/GB1451414A/en
Expired legal-status Critical Current

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
    • F16L43/00—Bends; Siphons
    • 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
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/002—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints for pipes having a rectangular cross-section
    • 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
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/003—Rigid pipes with a rectangular cross-section
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
    • 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
    • F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Duct Arrangements (AREA)

Abstract

1451414 Plastics ducting; Joining ducts H HARGREAVES & SONS Ltd 04034/74 Headings F2G and F2P In fire-resistant ducting formed of reinforced vinyl sheet or sheets, the joint at each longitudinal edge of the sheet(s) is formed by sandwiching abutting edges 18, 20 (Fig. 2) between a pair of metal members 22, 24 which are secured by fastening devices 26. In a first embodiment (Figs. 1, 2) the ducting is formed from two U-shaped sections 10, 12 of vinyl sheet reinforced with asbestos fibres. Sealing material, such as a ceramic based cement, is applied to adjacent edges 18, 20 which are then covered internally and externally of the duct by stainless steel strips 22, 24 which are secured by nickel-copper alloy rivets 26. An elbow piece (not shown) may be formed from two pieces of ducting of the type shown in Fig. 1 but having mitred ends which are joined by the joint shown in Fig. 2. In a second embodiment (Fig. 4) the ducting is formed from four flat sheets 50, 51, 52, 53 of asbestos reinforced vinyl, the sheets being joined at each corner by a pair of L shaped metal strips 54, 55 secured by rivets. This method may be used to form rectangular ducting, an elbow piece as shown in Fig. 4, or a tapered duct section (not shown). Duct sections may be joined end-to-end by the joint shown in Fig. 3. The ends of each duct section are provided with metal flanges 30, 32 secured by rivets 36, and an asbestos gasket 44 is clamped between the flanges 30, 32. Back-up or stiffening flanges 42 (Fig. 1) are provided to strengthen the joint between adjacent duct sections. Alternatively duct sections may be joined by the joint shown in Fig. 2.
GB403474A 1974-01-29 1974-01-29 Fire resistant ducting Expired GB1451414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB403474A GB1451414A (en) 1974-01-29 1974-01-29 Fire resistant ducting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB403474A GB1451414A (en) 1974-01-29 1974-01-29 Fire resistant ducting

Publications (1)

Publication Number Publication Date
GB1451414A true GB1451414A (en) 1976-10-06

Family

ID=9769501

Family Applications (1)

Application Number Title Priority Date Filing Date
GB403474A Expired GB1451414A (en) 1974-01-29 1974-01-29 Fire resistant ducting

Country Status (1)

Country Link
GB (1) GB1451414A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2419385A (en) * 2004-10-22 2006-04-26 Saint Gobain Pipelines Plc Insulated pipe coupling for use in fire retarding barriers
EP1777468A2 (en) * 2005-10-24 2007-04-25 Sanhem-Konsultit OY Installation module for an air conditioning unit
CN103363218A (en) * 2012-03-26 2013-10-23 上海宏力半导体制造有限公司 Clean gas pipeline connecting remote plasma system with reaction chamber

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2419385A (en) * 2004-10-22 2006-04-26 Saint Gobain Pipelines Plc Insulated pipe coupling for use in fire retarding barriers
GB2419385B (en) * 2004-10-22 2010-01-13 Saint Gobain Pipelines Plc Improvements in or relating to pipework assemblies
EP1777468A2 (en) * 2005-10-24 2007-04-25 Sanhem-Konsultit OY Installation module for an air conditioning unit
EP1777468A3 (en) * 2005-10-24 2009-01-21 Sanhem-Konsultit OY Installation module for an air conditioning unit
CN103363218A (en) * 2012-03-26 2013-10-23 上海宏力半导体制造有限公司 Clean gas pipeline connecting remote plasma system with reaction chamber

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee