ZA711114B - Spiral element and method of making same - Google Patents

Spiral element and method of making same

Info

Publication number
ZA711114B
ZA711114B ZA711114A ZA711114A ZA711114B ZA 711114 B ZA711114 B ZA 711114B ZA 711114 A ZA711114 A ZA 711114A ZA 711114 A ZA711114 A ZA 711114A ZA 711114 B ZA711114 B ZA 711114B
Authority
ZA
South Africa
Prior art keywords
making same
spiral element
spiral
making
same
Prior art date
Application number
ZA711114A
Inventor
R Moodey
Original Assignee
Lee Norse Co
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 Lee Norse Co filed Critical Lee Norse Co
Publication of ZA711114B publication Critical patent/ZA711114B/en

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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/14—Twisting
    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • 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
    • Y10T29/49316—Impeller making

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Wire Processing (AREA)
ZA711114A 1970-07-14 1971-02-22 Spiral element and method of making same ZA711114B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5474770A 1970-07-14 1970-07-14

Publications (1)

Publication Number Publication Date
ZA711114B true ZA711114B (en) 1971-11-24

Family

ID=21993250

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA711114A ZA711114B (en) 1970-07-14 1971-02-22 Spiral element and method of making same

Country Status (4)

Country Link
US (1) US3667276A (en)
CA (1) CA945747A (en)
GB (1) GB1312564A (en)
ZA (1) ZA711114B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596064A (en) * 1984-07-18 1986-06-24 Koppers Company, Inc. Method for manufacturing a screw flight
JP3026217B1 (en) * 1998-10-28 2000-03-27 セイコー精機株式会社 Vacuum pump
US20070272330A1 (en) * 2006-05-11 2007-11-29 Philippe Turcot Spiral profile cutting tool
WO2013003903A1 (en) * 2011-07-05 2013-01-10 Advanced Spiral Technology Pty Limited Apparatus and method for forming a screw flight
ITBO20110435A1 (en) * 2011-07-21 2013-01-22 Mille S R L METHOD OF FOLDING A METAL SHEET TAPE TO CONFER THE TAPE TO A HELICAL STATE AND SUITABLE APPARATUS TO IMPLEMENT THIS METHOD
ITBO20110594A1 (en) * 2011-10-21 2013-04-22 Mille S R L METHOD FOR FOLDING A METAL SHEET TAPE AND CONFERING TO THE TAPE A HELICAL STREAM AND SUITABLE SYSTEM TO IMPLEMENT THIS METHOD
IT202100032390A1 (en) 2021-12-23 2023-06-23 Mille S R L MOLD AND METHOD TO GIVE A PIECE A HELICAL PROGRESS AND PIECE OBTAINED

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US340024A (en) * 1886-04-13 George m
US75182A (en) * 1868-03-03 of west chbshike
US843659A (en) * 1906-03-27 1907-02-12 Oliver Iron And Steel Company Method of forming brake-beam fulcrums.

Also Published As

Publication number Publication date
CA945747A (en) 1974-04-23
GB1312564A (en) 1973-04-04
US3667276A (en) 1972-06-06

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