CA1233132A - Device for thermally insulating underground pipes - Google Patents

Device for thermally insulating underground pipes

Info

Publication number: CA1233132A
Authority: CA; Canada
Prior art keywords: lids; boxes; pipe; pipe receiving; pipes
Prior art date: 1984-02-02
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

CA000473355A

Other languages

English (en)

French (fr)

Inventor

Anders G. Larson

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.)

Dow Chemical Co

Original Assignee

Dow Chemical Co

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.)

1984-02-02

Filing date

1985-02-01

Publication date

1988-02-23

1985-02-01 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1988-02-23 Application granted granted Critical

1988-02-23 Publication of CA1233132A publication Critical patent/CA1233132A/en

Status Expired legal-status Critical Current

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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/15—Arrangements for the insulation of pipes or pipe systems for underground pipes

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Thermal Insulation (AREA)
Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Resistance Heating (AREA)

CA000473355A 1984-02-02 1985-02-01 Device for thermally insulating underground pipes Expired CA1233132A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH49384		1984-02-02
CH493/84-5		1984-02-02

Publications (1)

Publication Number	Publication Date
CA1233132A true CA1233132A (en)	1988-02-23

Family

ID=4188268

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000473355A Expired CA1233132A (en)	1984-02-02	1985-02-01	Device for thermally insulating underground pipes

Country Status (6)

Country	Link
EP (1)	EP0172226A4 (fi)
CA (1)	CA1233132A (fi)
DK (1)	DK446285D0 (fi)
FI (1)	FI853785L (fi)
NO (1)	NO853875L (fi)
WO (1)	WO1985003478A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1870628A1 (en) *	2006-06-20	2007-12-26	Rockwool International A/S	A pipe insulating unit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB476316A (en) *	1936-06-05	1937-12-06	William Herbert Smith	Improvements relating to conduits for cables or pipes
US2773512A (en) *	1955-06-14	1956-12-11	Morris S Burk	Method of installing underground heating pipe systems
GB853144A (en) *	1957-04-18	1960-11-02	Minikay Ltd	Improvements in or relating to the thermal insulation of cold pipelines or of other cold hollow bodies
US3313321A (en) *	1963-05-10	1967-04-11	Rensulate Corp	Insulated underground conduit
NL6606794A (fi) *	1965-05-21	1966-11-22
US3807458A (en) *	1970-12-14	1974-04-30	Rayston Labor Inc	Pipe coatings
FR2202524A5 (fi) *	1972-10-06	1974-05-03	Bougault Claude
US4148341A (en) *	1973-10-19	1979-04-10	Granges Nyby Ab	Long-distance heating conduit
GB2021230B (en) *	1978-04-28	1982-05-19	Nippon Asbestos Co Ltd	Heat insulation systems
CA1144878A (en) *	1980-07-10	1983-04-19	Robert Mccheyne	Pipe enclosure
DE3223135A1 (de) *	1982-06-21	1983-12-29	Wolfgang 5300 Bonn Deitermann	Schutz- und isolierstrecke fuer rohrleitungen

1985
- 1985-01-30 EP EP19850901173 patent/EP0172226A4/en not_active Withdrawn
- 1985-01-30 WO PCT/US1985/000161 patent/WO1985003478A1/en not_active Application Discontinuation
- 1985-02-01 CA CA000473355A patent/CA1233132A/en not_active Expired
- 1985-10-01 DK DK446285A patent/DK446285D0/da not_active Application Discontinuation
- 1985-10-01 FI FI853785A patent/FI853785L/fi not_active Application Discontinuation
- 1985-10-01 NO NO853875A patent/NO853875L/no unknown

Also Published As

Publication number	Publication date
NO853875L (no)	1985-10-01
EP0172226A4 (en)	1987-08-10
FI853785A0 (fi)	1985-10-01
WO1985003478A1 (en)	1985-08-15
EP0172226A1 (en)	1986-02-26
DK446285A (da)	1985-10-01
FI853785L (fi)	1985-10-01
DK446285D0 (da)	1985-10-01

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Legal Events

Date	Code	Title	Description
2005-02-23	MKEX	Expiry