FI77102B - Foerfarande foer framstaellning av ett vaermeisolerat ledningsroer. - Google Patents

Foerfarande foer framstaellning av ett vaermeisolerat ledningsroer. Download PDF

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Publication number
FI77102B
FI77102B FI820766A FI820766A FI77102B FI 77102 B FI77102 B FI 77102B FI 820766 A FI820766 A FI 820766A FI 820766 A FI820766 A FI 820766A FI 77102 B FI77102 B FI 77102B
Authority
FI
Finland
Prior art keywords
tube
foam
strip
paper
spacer
Prior art date
Application number
FI820766A
Other languages
English (en)
Finnish (fi)
Other versions
FI820766A0 (fi
FI77102C (sv
Inventor
Gerhard Ziemek
Ingo H Pahl
Original Assignee
Kabel Metallwerke Ghh
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
Priority claimed from DE19813120719 external-priority patent/DE3120719A1/de
Priority claimed from DE19813151578 external-priority patent/DE3151578A1/de
Application filed by Kabel Metallwerke Ghh filed Critical Kabel Metallwerke Ghh
Publication of FI820766A0 publication Critical patent/FI820766A0/fi
Publication of FI77102B publication Critical patent/FI77102B/fi
Application granted granted Critical
Publication of FI77102C publication Critical patent/FI77102C/sv

Links

Classifications

    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • B29C44/324—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables the preformed parts being tubular or folded to a tubular shape
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S138/00—Pipes and tubular conduits
    • Y10S138/09—Cellular

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (6)

1. Förfarande för framställning av ett värmeisole-rat ledningsrör, enligt vilket ett kontinuerligt tillfört 5 rör, företrädesvis ett kopparrör (1) förses med en spiral-formigt löpande avständshällare (2) och omhöljes med ett längsgäende band (5), vilket pä avständ frän röret (1) liggande pä avständshällarspiralen (2) slutes tili ett rör (6) , och i ringrununet mellan innerröret (1) och det 10 av bandet (5) bildade röret (6) införs en plastblandning (16) med skumbildningsförmäga, företrädesvis pä basis av polyuretan, vilken fullständigt fyller ringrummet med skum efter att ytterröret (17) har bildats, och därefter härdar skummet, kännetecknat därav, att 15 a) som band används en pappersbana (5) eller en folie av polytereftalsyraester, vilken pä sin mot innerröret (1) vända yta är belagd med ett släppmedel, b) pappret eller folien efter härdningen av skummet (5) skärs och avlägsnas frän cellplastskiktet (16) och 20 c) till slut strängsprutas en tunn yttermantel (17) av termoplast, företrädesvis av polyvinylklorid.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att den genom tvärsnittet av av-ständshällaren (2) bestämda tjockleken av cellplastskiktet 25 (16) hos ett kopparrör (1) med en ytterdiameter frän 15 tili 22 mm är mellan 2 och 10 mm, företrädesvis mellan 3 och 7 mm.
3. Förfarande enligt patentkravet 1 eller 2, kännetecknat därav, att som avständshällare 30 (2) används ett kommerciellt erhällbart bindegarn som företrädesvis är impregnerat med hydrofoba ämnen, t.ex. vax, bitumen osv.
4. Förfarande enligt av de föregäende patentkraven, kännetecknat därav, att pappersbandet (5) med 35 överlappande bandkanter bildas tili rör (6) och bandkan-terna i överlappningen limmas med varandra. Il
FI820766A 1981-05-25 1982-03-04 Förfarande för framställning av ett värmeisolerat ledningsrör FI77102C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3120719 1981-05-25
DE19813120719 DE3120719A1 (de) 1981-05-25 1981-05-25 Verfahren zur herstellung eines waermeisolierten leitungsrohres
DE3151578 1981-12-28
DE19813151578 DE3151578A1 (de) 1981-12-28 1981-12-28 "verfahren zur herstellung eines waermeisolierten leitungsrohres"

Publications (3)

Publication Number Publication Date
FI820766A0 FI820766A0 (fi) 1982-03-04
FI77102B true FI77102B (fi) 1988-09-30
FI77102C FI77102C (sv) 1989-01-10

Family

ID=25793484

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820766A FI77102C (sv) 1981-05-25 1982-03-04 Förfarande för framställning av ett värmeisolerat ledningsrör

Country Status (10)

Country Link
US (1) US4531991A (sv)
CH (1) CH653950A5 (sv)
DK (1) DK154282A (sv)
ES (1) ES8304475A1 (sv)
FI (1) FI77102C (sv)
FR (1) FR2506426B1 (sv)
GB (1) GB2099542B (sv)
IT (1) IT1151765B (sv)
NL (1) NL193165C (sv)
SE (1) SE452499B (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8501212D0 (sv) * 1985-03-12 1985-03-12 Uponor Ab Sett vid tillverkning av vermeisolerat ror
CA1270358A (en) * 1986-08-07 1990-06-19 David John Instance Manufacturing containers
US5030504A (en) * 1989-08-17 1991-07-09 Carol Botsolas Poly(vinyl chloride)-aluminum laminate insulation and method of production
EP0800452B1 (en) * 1994-12-29 2000-03-22 Federal-Mogul Systems Protection Group Inc. Reflective foam sleeve
US6632496B1 (en) 1999-12-03 2003-10-14 Sumitomo Electric Interconnect Products, Inc. Thermal insulation system for protecting fluid lines and method for making same
US6478579B1 (en) 2000-08-29 2002-11-12 Rmo, Inc. Orthodontic twin bracket with archwire floor and side wall relief
US7695277B1 (en) 2004-10-28 2010-04-13 Rmo, Inc. Orthodontic bracket with frangible cover mechanism
US7959437B2 (en) * 2002-10-29 2011-06-14 Rmo, Inc. Orthodontic appliance with encoded information formed in the base
US7824595B2 (en) * 2004-08-13 2010-11-02 Perma-Pipe, Inc. Method and system for cast molding a fluid conduit
EP2010091A2 (en) * 2006-04-26 2009-01-07 Rmo, Inc. Orthodontic bracket with removable slot cover
US9554875B2 (en) 2006-09-07 2017-01-31 Rmo, Inc. Method for producing a customized orthodontic appliance
US8979528B2 (en) 2006-09-07 2015-03-17 Rmo, Inc. Customized orthodontic appliance method and system
WO2008031060A2 (en) 2006-09-07 2008-03-13 Rmo, Inc. Reduced-friction buccal tube and method of use
WO2010107567A1 (en) 2009-03-16 2010-09-23 Rmo, Inc. Orthodontic bracket having an archwire channel and archwire retaining mechanism
US11219507B2 (en) 2009-03-16 2022-01-11 Orthoamerica Holdings, Llc Customized orthodontic appliance and method
CA2835409C (en) 2011-05-12 2019-05-14 Rmo, Inc. Orthodontic appliance with encoded information formed in the base
USD660435S1 (en) 2011-05-13 2012-05-22 Rmo, Inc. Orthodontic bracket
USD660436S1 (en) 2011-05-13 2012-05-22 Rmo, Inc. Orthodontic bracket
USD660968S1 (en) 2011-05-13 2012-05-29 Rmo, Inc. Orthodontic bracket
USD847349S1 (en) 2011-09-22 2019-04-30 Rmo, Inc. Orthodontic lock with flange
USD726318S1 (en) 2013-01-17 2015-04-07 Rmo, Inc. Dental instrument for a self-ligating orthodontic clip
USD721811S1 (en) 2013-10-29 2015-01-27 Rmo, Inc. Orthodontic bracket
US10293527B2 (en) 2016-08-02 2019-05-21 Thermacor Process, Inc. Continuous method for producing pre-insulated piping
US10293528B2 (en) 2016-08-02 2019-05-21 Thermacor Process, Inc. Continuous method for producing pre-insulated piping
TWI668341B (zh) * 2018-11-30 2019-08-11 萬核應用材料有限公司 Adhesive wire drawing process
NL2022875B1 (en) * 2019-04-05 2020-10-12 Thermaflex Int Holding B V Insulated pipe
US20220349512A1 (en) * 2019-09-04 2022-11-03 Perma-Pipe, Inc. System and method for producing spray foam insulated pipe with channels, tubes or conduits

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1704748C3 (de) * 1951-01-28 1974-11-28 Kabel Metallwerke Ghh Verfahren zum kontinuierlichen Herstellen thermisch isolierter Rohre
FR1420449A (fr) * 1964-10-16 1965-12-10 Liaison S A Procédé et dispositif pour revêtir des éléments tels que tubes d'une matière cellulaire synthétique ou naturelle
US3459877A (en) * 1965-01-18 1969-08-05 Anaconda Wire & Cable Co Electric cable
DE1779406B1 (de) * 1968-08-08 1972-04-27 Kabel Metallwerke Ghh Verfahren zur herstellung thermisch isolierter leitungsrohre
BE758125A (fr) * 1969-12-04 1971-04-01 Kabel Metallwerke Ghh Procede de fabrication de conduites a isolement thermique et phonique
DE2141475A1 (de) * 1971-08-19 1973-03-01 Kabel Metallwerke Ghh Verfahren zur herstellung waermeund schallisolierter leitungsrohre
DE2613741A1 (de) * 1976-03-31 1977-10-13 Kabel Metallwerke Ghh Verfahren zur kontinuierlichen herstellung waerme- und schallisolierter leitungsrohre
US4212917A (en) * 1978-06-01 1980-07-15 The Celotex Corporation Polyisocyanurate foam laminate
ES472313A1 (es) * 1978-08-03 1979-02-16 Amengual Rotger Sistema de fabricacion de tubos interiormente de material sintetico
DE2841934A1 (de) * 1978-09-27 1980-04-17 Kabel Metallwerke Ghh Waermeisoliertes leitungsrohr und verfahren zu seiner herstellung
ZA80949B (en) * 1979-03-15 1981-02-25 Kendall & Co Insulation of pipe by multi-stage application of foam
US4261790A (en) * 1979-08-22 1981-04-14 Philip Morris Incorporated Apparatus for stripping filter paper from filter rod
US4327121A (en) * 1980-10-02 1982-04-27 Scott Paper Company Release coatings

Also Published As

Publication number Publication date
DK154282A (da) 1982-11-26
NL193165C (nl) 1999-01-05
NL8201674A (nl) 1982-12-16
FI820766A0 (fi) 1982-03-04
SE452499B (sv) 1987-11-30
US4531991A (en) 1985-07-30
IT1151765B (it) 1986-12-24
GB2099542A (en) 1982-12-08
SE8203186L (sv) 1982-11-26
ES511553A0 (es) 1983-03-01
FR2506426B1 (fr) 1985-07-26
ES8304475A1 (es) 1983-03-01
GB2099542B (en) 1984-09-05
IT8221350A0 (it) 1982-05-19
FR2506426A1 (fr) 1982-11-26
FI77102C (sv) 1989-01-10
NL193165B (nl) 1998-09-01
CH653950A5 (de) 1986-01-31

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MA Patent expired

Owner name: KABEL- UND METALLWERKE