IT7825233A0 - Procedimento di fabbricazione di tubi metallici a parete sottile. - Google Patents

Procedimento di fabbricazione di tubi metallici a parete sottile.

Info

Publication number
IT7825233A0
IT7825233A0 IT7825233A IT2523378A IT7825233A0 IT 7825233 A0 IT7825233 A0 IT 7825233A0 IT 7825233 A IT7825233 A IT 7825233A IT 2523378 A IT2523378 A IT 2523378A IT 7825233 A0 IT7825233 A0 IT 7825233A0
Authority
IT
Italy
Prior art keywords
metal tubes
manufacturing thin
wall metal
thin
wall
Prior art date
Application number
IT7825233A
Other languages
English (en)
Original Assignee
Elpag Ag Chur
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 Elpag Ag Chur filed Critical Elpag Ag Chur
Publication of IT7825233A0 publication Critical patent/IT7825233A0/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
    • F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49881—Assembling or joining of separate helix [e.g., screw thread]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Induction Heating (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
IT7825233A 1977-07-08 1978-06-30 Procedimento di fabbricazione di tubi metallici a parete sottile. IT7825233A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2731027A DE2731027C2 (de) 1977-07-08 1977-07-08 Verfahren zur Herstellung von dünnwandigen Metallrohren

Publications (1)

Publication Number Publication Date
IT7825233A0 true IT7825233A0 (it) 1978-06-30

Family

ID=6013514

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7825233A IT7825233A0 (it) 1977-07-08 1978-06-30 Procedimento di fabbricazione di tubi metallici a parete sottile.

Country Status (5)

Country Link
US (1) US4251907A (it)
EP (1) EP0000369B1 (it)
AT (1) ATA489478A (it)
DE (2) DE2731027C2 (it)
IT (1) IT7825233A0 (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814455B2 (de) * 1978-04-04 1980-02-28 Elpag Ag Chur, Chur (Schweiz) Wärmeaustauschelement
DE2945282A1 (de) * 1979-11-09 1981-05-21 Elpag Ag Chur, Chur Vorrichtung zur herstellung von rohrstuecken vorgegebener laenge
EP0031866B1 (de) * 1980-01-08 1984-04-25 Elpag Ag Chur Verfahren zur Herstellung einer Heizeinrichtung oder eines Wärmeaustauschelementes
EP0062691A1 (de) * 1981-04-15 1982-10-20 Elpag Ag Chur Wärmeaustauscher
NL9000723A (nl) * 1990-03-27 1991-10-16 Verolme Maschf Ijsselmonde B V Werkwijze voor het vervaardigen van een samengestelde pijp.
SE9300209L (sv) * 1993-01-23 1994-07-24 Klaus Lorenz Värmeväxlare
US5732874A (en) * 1993-06-24 1998-03-31 The Idod Trust Method of forming seamed metal tube
JPH1191352A (ja) * 1997-09-24 1999-04-06 Sanyo Mach Works Ltd インパクトバーおよびその製造方法
US6098666A (en) * 1999-01-13 2000-08-08 Parker-Hannifin Corporation Dual coil tubing assembly
US6530514B2 (en) * 2001-06-28 2003-03-11 Outokumpu Oyj Method of manufacturing heat transfer tubes
US6758418B2 (en) * 2001-08-07 2004-07-06 Nordson Corporation Swirl gun
US20040134555A1 (en) * 2002-11-26 2004-07-15 Powell Steven M. Tubular polymeric composites for tubing and hose constructions
US20060280889A1 (en) * 2005-06-10 2006-12-14 Powell Steven M Tubular nylon alloy members for tubing and hose constructions
US9669593B2 (en) * 2007-06-14 2017-06-06 The Boeing Company Light weight thermoplastic flex foam and hybrid duct system
US10040127B2 (en) 2014-03-14 2018-08-07 Kennametal Inc. Boring bar with improved stiffness
SE540857C2 (en) 2017-02-03 2018-12-04 Valmet Oy Heat transfer tube and method for manufacturing a heat transfer tube
EP3775383A1 (en) * 2018-04-06 2021-02-17 VSL International AG A pipe and a method for stay cable provided with stressing means

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1472518A (en) * 1923-10-30 Hew yoek
DE97510C (it) *
US886616A (en) * 1908-01-20 1908-05-05 Philip H Long Method of making bracelets.
US1286388A (en) * 1917-12-19 1918-12-03 Joseph J Mulconroy High-pressure hose-coupling.
DE524552C (de) * 1927-04-27 1931-05-08 Bundy Tubing Co Verfahren zur Herstellung von Rippenrohren
US1823919A (en) * 1929-03-28 1931-09-22 Frigidaire Corp Refrigerating apparatus
US1882151A (en) * 1930-11-03 1932-10-11 Horton Mfg Co Inc Method of making alpha golf shaft
US2074987A (en) * 1932-10-08 1937-03-23 Horton Mfg Co Inc Welded sheet metal golf shaft and method of making the same
US1978235A (en) * 1933-09-21 1934-10-23 Myron C Summers Method of making butt-welded tubes
US2196708A (en) * 1936-10-26 1940-04-09 Standard Products Co Reinforced thin wall tubing
US2208706A (en) * 1939-01-04 1940-07-23 Raphael M Spencer Hose clamp
US2522684A (en) * 1946-02-16 1950-09-19 Independent Pneumatic Tool Co Hose securing means
CH341520A (de) * 1955-01-21 1959-10-15 Morris Motors Ltd Verfahren zur Herstellung von Flachrohren aus Aluminium oder einer Leichtmetallegierung für Röhren-Wärmeaustauschern
FR1181855A (fr) * 1956-09-13 1959-06-19 Bundy Tubing Co Tuyau pour haute pression et son procédé de fabrication
DE1100118B (de) * 1958-10-21 1961-02-23 Siemens Ag Verfahren zur Herstellung von koaxialen Hochfrequenzleitungen und elektrischen Kabeln mit einem gerillten Aussenleiter bzw. metallenen Kabelmantel
DE1652577A1 (de) * 1968-03-16 1971-04-01 Wolfgang Heinrich Verfahren zur Herstellung eines Rohres fuer hohe Innendruckbelastung

Also Published As

Publication number Publication date
EP0000369B1 (de) 1980-10-01
US4251907A (en) 1981-02-24
EP0000369A1 (de) 1979-01-24
ATA489478A (de) 1982-07-15
DE2731027C2 (de) 1979-07-12
DE2731027B1 (de) 1978-11-09
DE2860190D1 (en) 1981-01-08

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