GB630875A - Improvements in or relating to soldering irons - Google Patents

Improvements in or relating to soldering irons

Info

Publication number
GB630875A
GB630875A GB3223546A GB3223546A GB630875A GB 630875 A GB630875 A GB 630875A GB 3223546 A GB3223546 A GB 3223546A GB 3223546 A GB3223546 A GB 3223546A GB 630875 A GB630875 A GB 630875A
Authority
GB
United Kingdom
Prior art keywords
thermistor
temperature
impedance
electric soldering
iron
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
GB3223546A
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.)
WILLIAM JESSE FRANKTON
STC PLC
Original Assignee
WILLIAM JESSE FRANKTON
Standard Telephone and Cables PLC
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 WILLIAM JESSE FRANKTON, Standard Telephone and Cables PLC filed Critical WILLIAM JESSE FRANKTON
Priority to GB3223546A priority Critical patent/GB630875A/en
Publication of GB630875A publication Critical patent/GB630875A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/02Soldering irons; Bits
    • B23K3/03Soldering irons; Bits electrically heated
    • B23K3/033Soldering irons; Bits electrically heated comprising means for controlling or selecting the temperature or power

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Temperature (AREA)

Abstract

630,875. Electric soldering-irons. STANDARD TELEPHONES & CABLES, Ltd., and FRANKTON, W. J. Oct. 30, 1946, No. 32235. [Class 39(iii)] [Also in Group XXXV] The head or tip 1 of an electric soldering iron is heated by a thermistor heating element 2 to give automatic control of the temperature of the iron. A helical spring 4 compressed between the thermistor 2 and a plug 5 maintains the thermistor in close contact with the inner wall 3 of the hollow tip 1. The thermistor may have a positive or negative temperature coefficient and in the latter case is used in series with a suitably chosen impedance (see Group XXXV). In an example, the impedance is matched to the value of the thermistor at a point midway between the room and working temperature and any small change in temperature produces a much' greater change in the opposite sense in the wattage input thereby tending rapidly to restore the temperature to its stable value. Specification 555,563, [Group XXXVI], is referred to.
GB3223546A 1946-10-30 1946-10-30 Improvements in or relating to soldering irons Expired GB630875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3223546A GB630875A (en) 1946-10-30 1946-10-30 Improvements in or relating to soldering irons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3223546A GB630875A (en) 1946-10-30 1946-10-30 Improvements in or relating to soldering irons

Publications (1)

Publication Number Publication Date
GB630875A true GB630875A (en) 1949-10-24

Family

ID=10335424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3223546A Expired GB630875A (en) 1946-10-30 1946-10-30 Improvements in or relating to soldering irons

Country Status (1)

Country Link
GB (1) GB630875A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102554390A (en) * 2010-12-07 2012-07-11 日本优尼可思股份有限公司 Soldering iron

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102554390A (en) * 2010-12-07 2012-07-11 日本优尼可思股份有限公司 Soldering iron
CN102554390B (en) * 2010-12-07 2015-03-04 日本优尼可思股份有限公司 Soldering iron

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