DE29903721U1 - Device for foaming pipes with an outer pipe - Google Patents

Device for foaming pipes with an outer pipe

Info

Publication number
DE29903721U1
DE29903721U1 DE29903721U DE29903721U DE29903721U1 DE 29903721 U1 DE29903721 U1 DE 29903721U1 DE 29903721 U DE29903721 U DE 29903721U DE 29903721 U DE29903721 U DE 29903721U DE 29903721 U1 DE29903721 U1 DE 29903721U1
Authority
DE
Germany
Prior art keywords
outer pipe
foaming pipes
foaming
pipes
pipe
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 - Lifetime
Application number
DE29903721U
Other languages
German (de)
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.)
HARTUNG
Original Assignee
HARTUNG
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 HARTUNG filed Critical HARTUNG
Priority to DE29903721U priority Critical patent/DE29903721U1/en
Publication of DE29903721U1 publication Critical patent/DE29903721U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/143—Pre-insulated pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1228—Joining preformed parts by the expanding material
    • B29C44/1242—Joining preformed parts by the expanding material the preformed parts being concentric

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
DE29903721U 1999-03-02 1999-03-02 Device for foaming pipes with an outer pipe Expired - Lifetime DE29903721U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29903721U DE29903721U1 (en) 1999-03-02 1999-03-02 Device for foaming pipes with an outer pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29903721U DE29903721U1 (en) 1999-03-02 1999-03-02 Device for foaming pipes with an outer pipe

Publications (1)

Publication Number Publication Date
DE29903721U1 true DE29903721U1 (en) 1999-07-22

Family

ID=8070174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29903721U Expired - Lifetime DE29903721U1 (en) 1999-03-02 1999-03-02 Device for foaming pipes with an outer pipe

Country Status (1)

Country Link
DE (1) DE29903721U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004024411A1 (en) * 2002-09-11 2004-03-25 A/S Star Pipe Method and plant for manufacturing lengths of pre-insulated pipes
CN103672282A (en) * 2013-12-13 2014-03-26 哈尔滨朗格斯特节能科技有限公司 Prefabricated direct-burial heat preservation pipe alarming line mounting mould and method
CN111531777A (en) * 2020-05-07 2020-08-14 叶宁 Manufacturing and processing method of heat preservation layer of heat preservation pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004024411A1 (en) * 2002-09-11 2004-03-25 A/S Star Pipe Method and plant for manufacturing lengths of pre-insulated pipes
CN103672282A (en) * 2013-12-13 2014-03-26 哈尔滨朗格斯特节能科技有限公司 Prefabricated direct-burial heat preservation pipe alarming line mounting mould and method
CN111531777A (en) * 2020-05-07 2020-08-14 叶宁 Manufacturing and processing method of heat preservation layer of heat preservation pipe

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 19990902

R150 Term of protection extended to 6 years

Effective date: 20021114

R157 Lapse of ip right after 6 years

Effective date: 20051001