GB2207481A - Self-supportable tube - Google Patents

Self-supportable tube Download PDF

Info

Publication number
GB2207481A
GB2207481A GB08717244A GB8717244A GB2207481A GB 2207481 A GB2207481 A GB 2207481A GB 08717244 A GB08717244 A GB 08717244A GB 8717244 A GB8717244 A GB 8717244A GB 2207481 A GB2207481 A GB 2207481A
Authority
GB
United Kingdom
Prior art keywords
tube
flexible tube
self
heat
outer coating
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.)
Withdrawn
Application number
GB08717244A
Other versions
GB8717244D0 (en
Inventor
Alan William Weir
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB08717244A priority Critical patent/GB2207481A/en
Publication of GB8717244D0 publication Critical patent/GB8717244D0/en
Publication of GB2207481A publication Critical patent/GB2207481A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F24F13/0263—Insulation for air ducts
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

A flexible tube e.g. for a ventilation duct comprises a wire helix A, an intermediate fibre layer B, a retaining cord C and an outer coating of heat shrinkable material D e.g. of polythene. After final positioning of the tube a prescribed level of heat may be applied. This will allow the outer coating to clamp the inner layers so producing a degree of rigidity that the tube may be considered self-supporting. <IMAGE>

Description

FLEXIBLE TUBE This invention relates to an inventive enhancement tci the established standard flexible tube pl esently available.
Currently existing flexible tube is fully flexible arid the components to which they are connected require to be independently supported by a separate fixture.
This invent ion enables the same flexibility initially but upon final positioning and application of heat, the tube attains a rigidity sufficient to be deemed "self-support ing".
By example, the tube may be described with reference to the accompanying drawings in which Figure t Shows, the tube used in typical application connecting a ventilation duct and a terminal grille outlet.
Figure i~ Illustrates the tube in detail.
There may be many variations in the basic construct ion of the tube which generally takes the form @ of a basic wire helex and an outer coating which may be rat ural or man made fibre. A further helical retaining cord may be applied.
This invent ion ut ii ises these conventional constructions while additionally applying an outer coating of a cross-l inked polyolefin type heat shrinkable material.
Once the tube has been finally positioned, the application of heat above a prescribed temperature shrinks the outer coating to a degree that it effectively clamps the other layers in the construction so making the tube sufficiently rigid that it may be considered self-support ing.

Claims (3)

1. R flexible tube comprising a wire helex base with various intermediate coverings plus an outer coat of heat shrinkable material.
2. P flexible tube as claimed in CLAIM 1 such that with the application of heat the outer layer clamps the inner construct ion.
3. R flexible tube as claimed in CLAIM 1 or CLAIM2 where the effect makes the tube sufficiently rigid to be considered self-supporting.
GB08717244A 1987-07-21 1987-07-21 Self-supportable tube Withdrawn GB2207481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08717244A GB2207481A (en) 1987-07-21 1987-07-21 Self-supportable tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08717244A GB2207481A (en) 1987-07-21 1987-07-21 Self-supportable tube

Publications (2)

Publication Number Publication Date
GB8717244D0 GB8717244D0 (en) 1987-08-26
GB2207481A true GB2207481A (en) 1989-02-01

Family

ID=10621045

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08717244A Withdrawn GB2207481A (en) 1987-07-21 1987-07-21 Self-supportable tube

Country Status (1)

Country Link
GB (1) GB2207481A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411404A1 (en) * 1989-08-03 1991-02-06 Wieland-Werke Ag Heat exchanger
CZ307470B6 (en) * 2017-07-18 2018-09-26 Příhoda S.R.O. A reinforcement assembly for air-conditioning pipework and air-conditioning pipework

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411404A1 (en) * 1989-08-03 1991-02-06 Wieland-Werke Ag Heat exchanger
CZ307470B6 (en) * 2017-07-18 2018-09-26 Příhoda S.R.O. A reinforcement assembly for air-conditioning pipework and air-conditioning pipework
US10718544B2 (en) 2017-07-18 2020-07-21 Prihoda S.R.O. Reinforcement assembly for air ducts
RU2765928C2 (en) * 2017-07-18 2022-02-04 Прихода С.Р.О. Reinforcing assembly for air ducts and air duct system

Also Published As

Publication number Publication date
GB8717244D0 (en) 1987-08-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)