FR643253A - Tuyau à ailettes enroulées - Google Patents

Tuyau à ailettes enroulées

Info

Publication number
FR643253A
FR643253A FR643253DA FR643253A FR 643253 A FR643253 A FR 643253A FR 643253D A FR643253D A FR 643253DA FR 643253 A FR643253 A FR 643253A
Authority
FR
France
Prior art keywords
hose
coiled finned
finned
coiled
finned hose
Prior art date
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
Other languages
English (en)
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.)
Uettwiller & Cie
Original Assignee
Uettwiller & Cie
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 Uettwiller & Cie filed Critical Uettwiller & Cie
Application granted granted Critical
Publication of FR643253A publication Critical patent/FR643253A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR643253D 1927-10-31 1927-10-31 Tuyau à ailettes enroulées Expired FR643253A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR643253T 1927-10-31

Publications (1)

Publication Number Publication Date
FR643253A true FR643253A (fr) 1928-09-13

Family

ID=8999298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR643253D Expired FR643253A (fr) 1927-10-31 1927-10-31 Tuyau à ailettes enroulées

Country Status (1)

Country Link
FR (1) FR643253A (fr)

Similar Documents

Publication Publication Date Title
FR642700A (fr) Appareil à nager
FR707914A (fr) Accouplement à friction
FR671630A (fr) Clé à cliquet
FR685301A (fr) Tuyau à surface intérieure à gradins
FR643253A (fr) Tuyau à ailettes enroulées
FR656643A (fr) Aéro-économiseur à tuyaux
FR630051A (fr) Truelle à polir
FR641179A (fr) Clé à écrous
FR640762A (fr) Ventilateur à main
FR616041A (fr) Tuyau à ailettes
FR629229A (fr) Piège à taupes
FR664834A (fr) Balai à guipon
FR633101A (fr) Calandre
FR627081A (fr) Réfrigérant à cheminée
FR644819A (fr) Couplage à rythme opposé
FR629146A (fr) Trieur à tamis préalable rapporté
FR644420A (fr) Pipe perfectionnée
FR662868A (fr) Tuyau à manchon
FR663273A (fr) Tube métallique
FR632284A (fr) Manteau à combinaison
FR631961A (fr) Sélecteur à air
FR622407A (fr) Tuyau à incendie
FR640702A (fr) Perfectionnements aux brosses à dents
FR649186A (fr) Pipe à nettoyage instantané
FR662429A (fr) Grille à chaînes