FR2493735B1 - - Google Patents

Info

Publication number
FR2493735B1
FR2493735B1 FR8023852A FR8023852A FR2493735B1 FR 2493735 B1 FR2493735 B1 FR 2493735B1 FR 8023852 A FR8023852 A FR 8023852A FR 8023852 A FR8023852 A FR 8023852A FR 2493735 B1 FR2493735 B1 FR 2493735B1
Authority
FR
France
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
Application number
FR8023852A
Other languages
French (fr)
Other versions
FR2493735A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8023852A priority Critical patent/FR2493735A1/fr
Publication of FR2493735A1 publication Critical patent/FR2493735A1/fr
Application granted granted Critical
Publication of FR2493735B1 publication Critical patent/FR2493735B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR8023852A 1980-11-07 1980-11-07 Faconnage de tubes a turbulences pour echangeurs thermiques Granted FR2493735A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8023852A FR2493735A1 (fr) 1980-11-07 1980-11-07 Faconnage de tubes a turbulences pour echangeurs thermiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8023852A FR2493735A1 (fr) 1980-11-07 1980-11-07 Faconnage de tubes a turbulences pour echangeurs thermiques

Publications (2)

Publication Number Publication Date
FR2493735A1 FR2493735A1 (fr) 1982-05-14
FR2493735B1 true FR2493735B1 (fa) 1984-02-17

Family

ID=9247800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023852A Granted FR2493735A1 (fr) 1980-11-07 1980-11-07 Faconnage de tubes a turbulences pour echangeurs thermiques

Country Status (1)

Country Link
FR (1) FR2493735A1 (fa)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3664959D1 (en) * 1985-10-31 1989-09-14 Wieland Werke Ag Finned tube with a notched groove bottom and method for making it

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387477A (en) * 1965-11-29 1968-06-11 Price Pfister Brass Mfg Apparatus and method for roll forming flexible tubing

Also Published As

Publication number Publication date
FR2493735A1 (fr) 1982-05-14

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Legal Events

Date Code Title Description
ST Notification of lapse