LU73239A1 - - Google Patents

Info

Publication number
LU73239A1
LU73239A1 LU73239A LU73239A LU73239A1 LU 73239 A1 LU73239 A1 LU 73239A1 LU 73239 A LU73239 A LU 73239A LU 73239 A LU73239 A LU 73239A LU 73239 A1 LU73239 A1 LU 73239A1
Authority
LU
Luxembourg
Application number
LU73239A
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 filed Critical
Publication of LU73239A1 publication Critical patent/LU73239A1/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/12—Making helical bodies or bodies having parts of helical shape articles with helicoidal surface
    • 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
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • 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
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
    • B21H7/14—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons knurled articles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
LU73239A 1974-08-21 1975-08-21 LU73239A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US499344A US3893322A (en) 1974-08-21 1974-08-21 Method for providing improved nucleate boiling surfaces

Publications (1)

Publication Number Publication Date
LU73239A1 true LU73239A1 (en) 1976-03-02

Family

ID=23984909

Family Applications (1)

Application Number Title Priority Date Filing Date
LU73239A LU73239A1 (en) 1974-08-21 1975-08-21

Country Status (18)

Country Link
US (1) US3893322A (en)
JP (1) JPS5244865B2 (en)
AU (1) AU497204B2 (en)
BR (1) BR7503428A (en)
CA (1) CA1038145A (en)
DE (1) DE2532143A1 (en)
EG (1) EG12085A (en)
ES (1) ES437398A1 (en)
FR (1) FR2282615A1 (en)
GB (1) GB1508483A (en)
IL (1) IL47217A (en)
IN (1) IN144415B (en)
IT (1) IT1036968B (en)
LU (1) LU73239A1 (en)
NL (1) NL7507247A (en)
PH (1) PH12085A (en)
SE (1) SE7506689L (en)
ZA (1) ZA752812B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040479A (en) * 1975-09-03 1977-08-09 Uop Inc. Finned tubing having enhanced nucleate boiling surface
CA1155107A (en) * 1981-02-11 1983-10-11 Theodore C. Carnavos Heat transfer boiling surface
EP0144460A1 (en) * 1983-12-10 1985-06-19 Wieland-Werke AG Method of manufacturing a heat exchanger pipe
DE3664959D1 (en) * 1985-10-31 1989-09-14 Wieland Werke Ag Finned tube with a notched groove bottom and method for making it
JPS62144195U (en) * 1986-03-06 1987-09-11
IT1273366B (en) * 1994-03-04 1997-07-08 G R B S N C Di Grotti Renzo & FREEZING CYLINDER WITH BUILT-IN EVAPORATOR AND METHOD FOR ITS MANUFACTURE
US6760972B2 (en) * 2000-09-21 2004-07-13 Packless Metal Hose, Inc. Apparatus and methods for forming internally and externally textured tubing
DE102005052972A1 (en) * 2004-11-09 2006-06-14 Denso Corp., Kariya Double-walled pipe and this using cooling circuit device
DK177178B1 (en) * 2011-01-06 2012-05-07 Tetra Laval Holdings & Finance Optimized surface for freezing cylinder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150815A (en) * 1937-09-30 1939-03-14 Berger Kornel Screw-threaded stock and manufacture of same
US3326283A (en) * 1965-03-29 1967-06-20 Trane Co Heat transfer surface
US3602027A (en) * 1969-04-01 1971-08-31 Trane Co Simultaneous finning and reforming of tubular heat transfer surface

Also Published As

Publication number Publication date
AU8082275A (en) 1976-11-11
FR2282615A1 (en) 1976-03-19
PH12085A (en) 1978-10-30
GB1508483A (en) 1978-04-26
IT1036968B (en) 1979-10-30
EG12085A (en) 1978-06-30
JPS5244865B2 (en) 1977-11-11
CA1038145A (en) 1978-09-12
AU497204B2 (en) 1978-12-07
BR7503428A (en) 1976-08-03
NL7507247A (en) 1976-02-24
SE7506689L (en) 1976-02-23
IN144415B (en) 1978-05-06
JPS5126674A (en) 1976-03-05
DE2532143A1 (en) 1976-03-04
ZA752812B (en) 1976-04-28
ES437398A1 (en) 1977-01-16
FR2282615B1 (en) 1980-05-09
IL47217A (en) 1978-03-10
US3893322A (en) 1975-07-08
IL47217A0 (en) 1975-07-28

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