DK311778A - RIBBERS AND PROCEDURE AND APPARATUS FOR PREPARATION - Google Patents

RIBBERS AND PROCEDURE AND APPARATUS FOR PREPARATION

Info

Publication number
DK311778A
DK311778A DK311778A DK311778A DK311778A DK 311778 A DK311778 A DK 311778A DK 311778 A DK311778 A DK 311778A DK 311778 A DK311778 A DK 311778A DK 311778 A DK311778 A DK 311778A
Authority
DK
Denmark
Prior art keywords
ribbers
procedure
preparation
Prior art date
Application number
DK311778A
Other languages
Danish (da)
Other versions
DK157739B (en
DK157739C (en
Inventor
M Saier
H-W Kaestner
R Kloeckler
Original Assignee
Wieland Werke Ag
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 Wieland Werke Ag filed Critical Wieland Werke Ag
Publication of DK311778A publication Critical patent/DK311778A/en
Publication of DK157739B publication Critical patent/DK157739B/en
Application granted granted Critical
Publication of DK157739C publication Critical patent/DK157739C/en

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
    • B21C37/15—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
    • B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
    • B21H7/187—Rolling helical or rectilinear grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Extraction Processes (AREA)
  • Forging (AREA)
DK311778A 1977-12-28 1978-07-11 METHOD AND APPARATUS FOR PREPARING A RIBBER. DK157739C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2758527A DE2758527C2 (en) 1977-12-28 1977-12-28 Method and device for manufacturing a finned tube
DE2758527 1977-12-28

Publications (3)

Publication Number Publication Date
DK311778A true DK311778A (en) 1979-06-29
DK157739B DK157739B (en) 1990-02-12
DK157739C DK157739C (en) 1990-07-23

Family

ID=6027544

Family Applications (1)

Application Number Title Priority Date Filing Date
DK311778A DK157739C (en) 1977-12-28 1978-07-11 METHOD AND APPARATUS FOR PREPARING A RIBBER.

Country Status (9)

Country Link
JP (1) JPS54100559A (en)
AT (1) AT358614B (en)
DE (1) DE2758527C2 (en)
DK (1) DK157739C (en)
ES (1) ES472258A1 (en)
FR (1) FR2413626A1 (en)
GB (1) GB2011602A (en)
IT (1) IT1105437B (en)
SE (1) SE445899B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159739A (en) * 1977-07-13 1979-07-03 Carrier Corporation Heat transfer surface and method of manufacture
DE2758526C2 (en) * 1977-12-28 1986-03-06 Wieland-Werke Ag, 7900 Ulm Method and device for manufacturing a finned tube
DE2803274A1 (en) * 1978-01-26 1979-08-02 Wieland Werke Ag FIBER TUBE AND THE METHOD AND DEVICE FOR THE PRODUCTION THEREOF
DE2803273A1 (en) * 1978-01-26 1979-08-02 Wieland Werke Ag FIBER TUBE AND THE METHOD AND DEVICE FOR THE PRODUCTION THEREOF
JPS6024737B2 (en) * 1980-06-26 1985-06-14 ドネプロペトロブスキイ ゴルニイ インステイチユ−ト イム．アルテマ Method and tool for forming an elastic screw having an internally sealed helical cavity on a workpiece
IT1198211B (en) * 1985-12-02 1988-12-21 Carrier Corp METHOD AND APPARATUS TO PRODUCE EXTERNALLY PERFECTED PIPES USING MULTIPLE HELICAL PITCH PRINCIPLES
DE4404357C2 (en) * 1994-02-11 1998-05-20 Wieland Werke Ag Heat exchange tube for condensing steam
JP2008045868A (en) * 2006-07-21 2008-02-28 Sumitomo Light Metal Ind Ltd Heat exchanger for water heater, and its manufacturing method
CN110765645B (en) * 2019-11-06 2023-05-23 国网四川省电力公司电力科学研究院 Design method of built-in coil type compressed air heat exchange system
CN115815450B (en) * 2022-12-07 2023-06-02 无锡化工装备股份有限公司 Nanometer fluid self-lubricating outer surface forming equipment and method for three-dimensional fin round tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326283A (en) * 1965-03-29 1967-06-20 Trane Co Heat transfer surface
FR1472815A (en) * 1965-03-29 1967-03-10 Trane Co Advanced heat transfer surface
US3383892A (en) * 1965-08-13 1968-05-21 Anaconda American Brass Co Manufacture of integrally finned tubing
GB1092150A (en) * 1965-10-19 1967-11-22 Bjorn Large A method of producing ribbed tubes of deformable material
US3683656A (en) * 1970-03-25 1972-08-15 Carl M Lewis Heat exchanger apparatus and method of making the same
US3753364A (en) * 1971-02-08 1973-08-21 Q Dot Corp Heat pipe and method and apparatus for fabricating same
US3768290A (en) * 1971-06-18 1973-10-30 Uop Inc Method of modifying a finned tube for boiling enhancement
US4159739A (en) * 1977-07-13 1979-07-03 Carrier Corporation Heat transfer surface and method of manufacture
DE2758526C2 (en) * 1977-12-28 1986-03-06 Wieland-Werke Ag, 7900 Ulm Method and device for manufacturing a finned tube
DE2735762C2 (en) * 1977-08-09 1983-11-24 Wieland-Werke Ag, 7900 Ulm Finned tube and device for its manufacture

Also Published As

Publication number Publication date
DE2758527C2 (en) 1985-04-25
JPS54100559A (en) 1979-08-08
DK157739B (en) 1990-02-12
GB2011602A (en) 1979-07-11
SE445899B (en) 1986-07-28
ES472258A1 (en) 1979-10-01
IT7850677A0 (en) 1978-08-09
IT1105437B (en) 1985-11-04
FR2413626A1 (en) 1979-07-27
DK157739C (en) 1990-07-23
ATA517278A (en) 1980-02-15
AT358614B (en) 1980-09-25
SE7808063L (en) 1979-06-29
DE2758527A1 (en) 1979-07-05

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Legal Events

Date Code Title Description
PBP Patent lapsed