EP0158355A2 - Semelle de fer à repasser - Google Patents

Semelle de fer à repasser Download PDF

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Publication number
EP0158355A2
EP0158355A2 EP85104412A EP85104412A EP0158355A2 EP 0158355 A2 EP0158355 A2 EP 0158355A2 EP 85104412 A EP85104412 A EP 85104412A EP 85104412 A EP85104412 A EP 85104412A EP 0158355 A2 EP0158355 A2 EP 0158355A2
Authority
EP
European Patent Office
Prior art keywords
sole
reflector
iron
flat
heating elements
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.)
Withdrawn
Application number
EP85104412A
Other languages
German (de)
English (en)
Other versions
EP0158355A3 (fr
Inventor
Robert Sikora
Jerzy Tomaszewski
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.)
Politechnika Lubelska
Original Assignee
Politechnika Lubelska
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
Priority claimed from PL24723084A external-priority patent/PL140482B1/pl
Priority claimed from PL24858984A external-priority patent/PL248589A1/xx
Application filed by Politechnika Lubelska filed Critical Politechnika Lubelska
Publication of EP0158355A2 publication Critical patent/EP0158355A2/fr
Publication of EP0158355A3 publication Critical patent/EP0158355A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat

Definitions

  • the invention relates to the sole of an electric iron, in particular a household or travel iron.
  • the soleplate is generally heated by electrical resistance heaters. These contain a metal resistance element, which is pressed into a channel of the sole in ceramic insulating material. Alternatively, tubular heaters are used, inside of which a metal resistance element is accommodated and which are cast directly in the channel of the foot.
  • the temperature of the ironing surface pressed onto the fabric to be ironed is adjusted with the help of temperature controllers or, more rarely, by means of a thermal switch and occasionally also by means of an electronic controller controlled. It has a significant influence on the usage properties of the iron.
  • irons with such soles the energy yield is relatively low and the control of the temperature of the sole surface is insufficient.
  • the heat flow generated in the sole is dependent on the time of the individual phases of the work cycle of the resistance radiators and the radiators have an almost linear, "stiff" heat characteristic.
  • the heat flow at the ironing surface can only be inadequately adapted to the heat removed from the ironed fabric, the heat being reduced differently due to the use of good automatic temperature controllers.
  • irons with known soles have an insufficient lifespan and operational reliability. This is due to the properties of the materials used for the resistance heating elements and radiators.
  • the invention has for its object to eliminate the disadvantages mentioned and to provide an iron soleplate in which the heat flow at the ironing level can be adapted to the heat flow removed from the ironed fabric, so as to improve the ironing quality and the service life and operational safety of the iron to improve over known irons.
  • the iron sole according to the invention improves the energy yield and the ironing quality, in particular of fabrics, by better adapting the heat flow to the heat flow taken off at the ironing level, which results from the nature of the surface heating.
  • the flat iron sole is provided on the side opposite the surface 1 coming into contact with the ironed fabric with a series of bulges 2 in the form of a cylindrical surface section.
  • Semiconductor heating elements 3 consist of a layer of non-conductive material (technical glass with an SiO 2 content of more than 80% or ceramic) and a thin layer of semiconductor metal oxides (SnO 2 : Sb) applied to this insulating layer with a thickness of 4 ⁇ m, in which the electrical energy is converted into thermal energy and surface heating occurs.
  • the insulating layer of the heating elements 3 lies directly on the surface of the bulges 2.
  • the bulges 2 are preferably arranged on the circumference 4 of the sole.
  • a reflector 5 made of sheet metal which is profiled or flat in accordance with the shape of the thin layer; its reflective surface faces the thin semiconductor metal oxide layer.
  • the reflector 5 is attached to the sole by means of screws screwed into openings 7.
  • the reflector 5 is fastened to the sole by means of bends 17 made of the material of the reflector 5 at the intermediate layer 6.
  • the position of the reflector 5 and the intermediate layer 6 relative to the semiconductor heating element 3 is by means of kerami shear body 8 set.
  • the ceramic body 8 has a socket 9 for using the current electrode and an opening 10 for receiving the conductor supplying the current.
  • An air chamber 11 is present between the reflector 5 and the intermediate layer 6.
  • the surface 12 of the sole is covered with polytetrafluoroethylene, with the exception of the bulges 2 and a point 13 at which the temperature regulator is in direct contact.
  • the semiconductor heating element 3 is fixed against changes in position by projections 14 made of the material of the sole at the two ends of the bulge 2, by flat resistance surfaces 15 on the plane parallel to the ironing surface and by the current electrodes in the socket of the ceramic body 8.
  • Openings 16 serve to turn the iron during assembly of the housing and the handle.
  • the electric current flows in the iron through two parallel branches, in one of which 7 and in the other 8 semiconductor heating elements 3 are connected in series.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Resistance Heating (AREA)
  • Irons (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP85104412A 1984-04-12 1985-04-11 Semelle de fer à repasser Withdrawn EP0158355A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PL24723084A PL140482B1 (en) 1984-04-12 1984-04-12 Ironing flat of electric iron
PL247230 1984-04-12
PL24858984A PL248589A1 (en) 1984-07-04 1984-07-04 Electric iron ironing plate
PL248589 1984-07-04

Publications (2)

Publication Number Publication Date
EP0158355A2 true EP0158355A2 (fr) 1985-10-16
EP0158355A3 EP0158355A3 (fr) 1987-08-19

Family

ID=26653001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85104412A Withdrawn EP0158355A3 (fr) 1984-04-12 1985-04-11 Semelle de fer à repasser

Country Status (2)

Country Link
EP (1) EP0158355A3 (fr)
DD (1) DD232323A5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8223168B2 (en) 2001-05-09 2012-07-17 Samsung Electronics Co., Ltd. Conversion of a sub-pixel format data

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636972A (en) * 1953-04-28 Sheets-sheet
BE465390A (fr) * 1946-04-24
DD214638A1 (de) * 1983-04-19 1984-10-17 Elektrogeraete Ingbuero Veb Elektrisches buegeleisen
DD220811A1 (de) * 1984-01-26 1985-04-10 Elektrogeraete Ingbuero Veb Elektrisches buegeleisen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8223168B2 (en) 2001-05-09 2012-07-17 Samsung Electronics Co., Ltd. Conversion of a sub-pixel format data

Also Published As

Publication number Publication date
EP0158355A3 (fr) 1987-08-19
DD232323A5 (de) 1986-01-22

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19890612

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Inventor name: SIKORA, ROBERT

Inventor name: TOMASZEWSKI, JERZY