NL94306C - - Google Patents

Info

Publication number
NL94306C
NL94306C NL94306DA NL94306C NL 94306 C NL94306 C NL 94306C NL 94306D A NL94306D A NL 94306DA NL 94306 C NL94306 C NL 94306C
Authority
NL
Netherlands
Application number
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.)
Publication of NL94306C publication Critical patent/NL94306C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • 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
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • 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
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49442—T-shaped fitting making
    • 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
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49444—Elbow or L-shaped fitting making

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
NL94306D 1938-07-19 NL94306C (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE212076X 1938-07-19
US258060A US2766513A (en) 1938-07-19 1951-11-24 Method of fabricating a tubular element

Publications (1)

Publication Number Publication Date
NL94306C true NL94306C (de)

Family

ID=25761025

Family Applications (1)

Application Number Title Priority Date Filing Date
NL94306D NL94306C (de) 1938-07-19

Country Status (2)

Country Link
US (1) US2766513A (de)
NL (1) NL94306C (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899663A (en) * 1959-08-11 Annularly bulged elkctric heating unit
US3138864A (en) * 1961-05-25 1964-06-30 Aldo L Coen Method of working metal
US3251122A (en) * 1962-07-19 1966-05-17 Grinnell Corp Method of making a diaphragm valve
BE647614A (de) * 1963-05-06
US4091982A (en) * 1976-04-22 1978-05-30 Chemetron Corporation Method of constructing a double-sigmoid connector
GB202203992D0 (en) * 2022-03-22 2022-05-04 Rolls Royce Plc Device and method for making efficient y-pipes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE171780C (de) *
US720989A (en) * 1901-06-19 1903-02-17 British Mannesman Tube Co Ltd Process of making elbows.
FR379190A (fr) * 1906-09-01 1907-10-26 Marc Andrie Allumoir à réclame automatique
US1046138A (en) * 1911-08-24 1912-12-03 Seward Babbitt Method of forming flanges on pipes.
DE339903C (de) * 1919-04-11 1921-08-18 Thyssen & Co Akt Ges Verfahren zur Herstellung U-foermiger Rohre mit verstaerkter Wandung an der Umbiegungsstelle
US1430856A (en) * 1919-09-26 1922-10-03 Edwin E Slick Method of making return l's
US1479279A (en) * 1922-09-15 1924-01-01 Superheater Co Ltd Method of making return bends
US1775331A (en) * 1928-12-27 1930-09-09 Rabcock & Wilcox Company Method of forming return bends
US1938692A (en) * 1929-02-09 1933-12-12 Superheater Co Ltd Return bend manufacture
US1817854A (en) * 1929-06-11 1931-08-04 Sorensen John Process of producing coupling flanges
US1897320A (en) * 1930-02-01 1933-02-14 Moe Engineering Lab Inc De Method of forming tube connections
FR767266A (fr) * 1934-01-18 1934-07-13 Escaut & Meuse D Procédé d'exécution sans soudure d'éléments surchauffeurs
US2240319A (en) * 1939-07-24 1941-04-29 Taylor James Hall Method of producing pipe fittings

Also Published As

Publication number Publication date
US2766513A (en) 1956-10-16

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