IT8921428A0 - Perfezionamento per la stabilizzazione meccanica delle resistenze a spire ellittiche appiattite. - Google Patents

Perfezionamento per la stabilizzazione meccanica delle resistenze a spire ellittiche appiattite.

Info

Publication number
IT8921428A0
IT8921428A0 IT8921428A IT2142889A IT8921428A0 IT 8921428 A0 IT8921428 A0 IT 8921428A0 IT 8921428 A IT8921428 A IT 8921428A IT 2142889 A IT2142889 A IT 2142889A IT 8921428 A0 IT8921428 A0 IT 8921428A0
Authority
IT
Italy
Prior art keywords
flatten
improvement
mechanical stabilization
elliptic spring
resistors
Prior art date
Application number
IT8921428A
Other languages
English (en)
Other versions
IT1231096B (it
Inventor
Francesco Roggia
Original Assignee
Francesco Roggia
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 Francesco Roggia filed Critical Francesco Roggia
Priority to IT8921428A priority Critical patent/IT1231096B/it
Publication of IT8921428A0 publication Critical patent/IT8921428A0/it
Priority to EP19900114603 priority patent/EP0411542A3/en
Application granted granted Critical
Publication of IT1231096B publication Critical patent/IT1231096B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/04—Apparatus or processes specially adapted for manufacturing resistors adapted for winding the resistive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/14—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding
    • H01C3/18—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding wound on a flat or ribbon base
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
IT8921428A 1989-08-02 1989-08-02 Perfezionamento per la stabilizzazione meccanica delle resistenze a spire ellittiche appiattite. IT1231096B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8921428A IT1231096B (it) 1989-08-02 1989-08-02 Perfezionamento per la stabilizzazione meccanica delle resistenze a spire ellittiche appiattite.
EP19900114603 EP0411542A3 (en) 1989-08-02 1990-07-30 Process and apparatus for producing spiral resistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921428A IT1231096B (it) 1989-08-02 1989-08-02 Perfezionamento per la stabilizzazione meccanica delle resistenze a spire ellittiche appiattite.

Publications (2)

Publication Number Publication Date
IT8921428A0 true IT8921428A0 (it) 1989-08-02
IT1231096B IT1231096B (it) 1991-11-18

Family

ID=11181652

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921428A IT1231096B (it) 1989-08-02 1989-08-02 Perfezionamento per la stabilizzazione meccanica delle resistenze a spire ellittiche appiattite.

Country Status (2)

Country Link
EP (1) EP0411542A3 (it)
IT (1) IT1231096B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2103670B1 (es) 1994-12-27 1998-05-01 Nugar Bobinajes Sl Resistencia electrica.
KR100503434B1 (ko) * 2003-03-25 2005-07-22 이권연 권선저항기 제조용 피치 제어 및 코일과 권선저항기의 분리 감지 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645429A (en) * 1949-07-07 1953-07-14 Gen Electric Winding machine
DE2531854A1 (de) * 1975-07-16 1977-01-20 Bosch Siemens Hausgeraete Elektrischer heizkoerper fuer gasfoermige medien
DE2615013C3 (de) * 1976-04-07 1981-08-20 David & Baader-DBK-Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH, 6744 Kandel Verfahren zum Herstellen eines elektrischen Heizkörpers für gasförmige strömende Medien und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
IT1231096B (it) 1991-11-18
EP0411542A3 (en) 1991-05-22
EP0411542A2 (en) 1991-02-06

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950830