FR2156554A1 - Glass pipe welding - with excess pressure in pipe interior after joining - Google Patents

Glass pipe welding - with excess pressure in pipe interior after joining

Info

Publication number
FR2156554A1
FR2156554A1 FR7227894A FR7227894A FR2156554A1 FR 2156554 A1 FR2156554 A1 FR 2156554A1 FR 7227894 A FR7227894 A FR 7227894A FR 7227894 A FR7227894 A FR 7227894A FR 2156554 A1 FR2156554 A1 FR 2156554A1
Authority
FR
France
Prior art keywords
joining
excess pressure
pipe
pipes
joined
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Withdrawn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
FR7227894A
Other languages
French (fr)
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.)
Schott AG
Original Assignee
Jenaer Glaswerk Schott and Gen
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 Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Publication of FR2156554A1 publication Critical patent/FR2156554A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • C03B23/207—Uniting glass rods, glass tubes, or hollow glassware

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The pipes are welded together by heating of the two ends to be joined to glass softening temp. pressing the two ends against each other followed by pulling apart to a slight extent after joining when hot during which last sequence a gas stream is passed through the joined pipes, the far ends of which have been kept plugged up during the whole operation. In the prefd. method one plug has a compressed air inlet tube permitting the build up of a slight excess pressure for the pulling apart sequence. Junctions are smooth and do not have increased wall thickness.
FR7227894A 1971-10-08 1972-08-02 Glass pipe welding - with excess pressure in pipe interior after joining Withdrawn FR2156554A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15817871 1971-10-08

Publications (1)

Publication Number Publication Date
FR2156554A1 true FR2156554A1 (en) 1973-06-01

Family

ID=5484426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227894A Withdrawn FR2156554A1 (en) 1971-10-08 1972-08-02 Glass pipe welding - with excess pressure in pipe interior after joining

Country Status (3)

Country Link
CH (1) CH541521A (en)
DE (1) DE2239503A1 (en)
FR (1) FR2156554A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025585A1 (en) * 1979-09-14 1981-03-25 Cabloptic S.A. Method and apparatus for welding optical fibres
EP0672627A1 (en) * 1994-02-24 1995-09-20 Mass Technology (H.K.) Ltd. Method of producing a low pressure mercury vapour discharge lamp
EP1440948A2 (en) * 2003-01-23 2004-07-28 FITEL USA CORPORATION (a Delaware Corporation) Method of joining glass tubes end-to-end for making an optical fibre preform
CN101633554B (en) * 2009-07-22 2011-10-05 宜兴市晶科光学仪器有限公司 Hot-melt adhesive method of different types of glass pipes
CN105873868A (en) * 2013-12-23 2016-08-17 贺利氏石英美国有限责任公司 Method for forming opaque quartz glass components

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053402B4 (en) * 2000-10-24 2008-04-17 Institut für Fügetechnik und Werkstoffprüfung GmbH Process and device for thermal joining of components made of silicate materials, silicate composites and silicate composite materials

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025585A1 (en) * 1979-09-14 1981-03-25 Cabloptic S.A. Method and apparatus for welding optical fibres
EP0672627A1 (en) * 1994-02-24 1995-09-20 Mass Technology (H.K.) Ltd. Method of producing a low pressure mercury vapour discharge lamp
EP1440948A2 (en) * 2003-01-23 2004-07-28 FITEL USA CORPORATION (a Delaware Corporation) Method of joining glass tubes end-to-end for making an optical fibre preform
EP1440948A3 (en) * 2003-01-23 2004-10-20 FITEL USA CORPORATION (a Delaware Corporation) Method of joining glass tubes end-to-end for making an optical fibre preform
CN101633554B (en) * 2009-07-22 2011-10-05 宜兴市晶科光学仪器有限公司 Hot-melt adhesive method of different types of glass pipes
CN105873868A (en) * 2013-12-23 2016-08-17 贺利氏石英美国有限责任公司 Method for forming opaque quartz glass components
US9725351B2 (en) * 2013-12-23 2017-08-08 Heraeus Quartz America Llc Method for forming opaque quartz glass components
KR101853035B1 (en) * 2013-12-23 2018-04-27 헤래우스 쿼츠 아메리카 엘엘씨 Method for forming opaque quartz glass components
CN105873868B (en) * 2013-12-23 2019-04-19 贺利氏石英美国有限责任公司 The method for being used to form opaque silica glass component

Also Published As

Publication number Publication date
DE2239503A1 (en) 1973-04-12
CH541521A (en) 1973-09-15

Similar Documents

Publication Publication Date Title
GB895444A (en) Method of forming flanges on the ends of thermoplastic pipe
ES8307580A1 (en) Method and apparatus for manufacturing molecular-oriented tubes.
DK128579B (en) Method and connecting socket for assembling pipe lengths of prefabricated insulated pipe, especially in district heating systems.
FR2156554A1 (en) Glass pipe welding - with excess pressure in pipe interior after joining
GB1040685A (en) Apparatus for and method of lining metal pipes with a plastic member
GB1513592A (en) Closure tie for tubular food casings and method and apparatus for forming the tie
ES445566A1 (en) Pipe bell end having a thickened portion and apparatus for forming the bell end
GB986407A (en) A process for sealing pipelines
GB259891A (en) Improvements in and relating to shrunk pipe joints
SU135313A1 (en) The method of flanging pipes from thermoplastic materials, as well as pipes lined with these materials, and a device for its implementation
FR2086592A5 (en) Flanging plastic pipe-by pressing two pipes together axially
JPS54141874A (en) Sealing of laminated tube
FR2175981A1 (en) Welding assembly - for joining thermoplastic pipes
FR2096557A1 (en) Plastics lined pipes prodn - by introduction of compressed lining and allowing the lining to expand to grip the pipe wall
JPS56155384A (en) Production of heat panel
NL7001704A (en) Tube bundle heat exchanger or preheater
CN209893638U (en) Air energy water heater with external pressurization function
FR2267379A1 (en) Continuous annealing of tubes or hollow parts with descaling - non-oxidising gas fed through tube to descale the bore
NL7204058A (en) Butt welding glass tubes - by heating ,pressing together softened ends and slight pulling apart
BE783596A (en) Butt welding glass tubes - by heating ,pressing together softened ends and slight pulling apart
JPS57195591A (en) Production of clad pipe
FR2302844A1 (en) Mould for expanded plastic articles - has ducts for heating and cooling fluid
SE8302708D0 (en) SET FOR PRESSURE OF PIPE CABLES FOR HOT MEDIA
FR2143061A1 (en) Ceramic recuperator - with horizontal tube bank
FR2258602A1 (en) Installation system for central heating radiator - uses telescopic pipe joints and O-ring seals

Legal Events

Date Code Title Description
ST Notification of lapse