EP4216667A1 - Procédé de fabrication d'un tapis chauffant et tapis chauffant fabriqué selon ce procédé - Google Patents

Procédé de fabrication d'un tapis chauffant et tapis chauffant fabriqué selon ce procédé Download PDF

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Publication number
EP4216667A1
EP4216667A1 EP23152464.6A EP23152464A EP4216667A1 EP 4216667 A1 EP4216667 A1 EP 4216667A1 EP 23152464 A EP23152464 A EP 23152464A EP 4216667 A1 EP4216667 A1 EP 4216667A1
Authority
EP
European Patent Office
Prior art keywords
heating mat
thin
heating
polyurethane
fabric
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.)
Pending
Application number
EP23152464.6A
Other languages
German (de)
English (en)
Inventor
René Hoffmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4216667A1 publication Critical patent/EP4216667A1/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

Definitions

  • the present invention relates to a method for producing a heating mat and a heating mat produced using this method.
  • Such heating mats usually consist of three layers, a lower layer consisting of a mat made of flexible material such as rubber or the like, a middle layer consisting of a thin-bed heating mat similar to that used to create electric underfloor heating, and an upper layer which, like the lower layer, also consists of a flexible mat. These three layers are glued together and the thin-bed heating mat is connected to a power cable, which may also have an integrated thermostat.
  • Such heating mats have the disadvantage that they are relatively inflexible due to their three-layer structure and can only be rolled up with a large radius, which prevents space-saving storage of the heating mat when not in use.
  • Such three-layer heating mats are also relatively thick, which increases their weight.
  • the present invention is based on the object of specifying a method for producing a heating mat that is small in height, yet hard-wearing and highly flexible, so that it can be easily rolled up and does not pose a tripping hazard during use due to its low height.
  • a heating mat produced using this method is also claimed.
  • a coarse-meshed fabric is first cut to the appropriate size, usually rectangular and laid out on a smooth, flat surface.
  • the base is usually one or more PE plastic panels.
  • the fabric can be made of an elastic plastic or rubber with a mesh size of the order of 1x1 cm, such as those laid as anti-slip mats under carpets on smooth floors. It can also be a textile fabric with the same mesh size.
  • a heating wire is then laid out in a meandering pattern and fixed or sewn onto the fabric with a coarse mesh. This resulted in a so-called thin-bed heating mat, which can be easily glued to the base to prevent it from slipping.
  • a trim cord tape is then glued to the flat surface and/or fabric to define the perimeter of the heating mat.
  • a trim cord tape such as an adhesive tape that is sold under the trade name WireTrim
  • WireTrim has a normal adhesive side and a non-adhesive backing on which a trim cord or trimming wire is glued down the center lengthwise.
  • extremely thin, tear-resistant fishing lines or steel wires with a very small diameter are used as the trimming line or trimming wire.
  • the later dimensions of the heating mat are determined with the trimming cord adhesive tape and the area outside the thin-bed heating mat is covered, for example with paper, to prevent the PE plastic plates from being soiled unnecessarily.
  • Liquid polyurethane is then spray cast onto the fabric past the trim cord tape.
  • the semi-finished heating mat is pulled off the base and turned over.
  • the back is also spray coated with polyurethane and trimmed in the same way as the front or, since the current back is already properly contoured, trimmed with a box cutter or the like.
  • the resulting finished heating mat can be between 4 mm and 6 mm thick, which is very thin compared to conventional heating mats.
  • the installed heating wire should be a bare, sheathed or varnished strand of wire with a thickness of at least 3 mm.
  • the spray-molded polyurethane is a product sold under the Nashornhaut ® name.
  • a textured surface on both sides for slip resistance is a hallmark of rhino skin. This slip resistance can be increased by sprinkling granules.
  • Holes can be made in the area of the corners and/or along the side edges of the heating mat for screwing the heating mat to the surface.
  • the heating mat produced in this way can be produced in a wide variety of sizes.
  • heating mats that are laid under office tables and in unheated factory buildings to heat workplaces, in snack vans, in the outdoor area of restaurants to keep ice free, to heat the steps on fire and escape stairs, as well as to keep sewage treatment plants free of ice, etc. can be manufactured in a size that suits your needs.

Landscapes

  • Central Heating Systems (AREA)
EP23152464.6A 2022-01-21 2023-01-19 Procédé de fabrication d'un tapis chauffant et tapis chauffant fabriqué selon ce procédé Pending EP4216667A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022101377.4A DE102022101377A1 (de) 2022-01-21 2022-01-21 Verfahren zur Herstellung einer Heizmatte und mit diesem Verfahren hergestellte Heizmatte

Publications (1)

Publication Number Publication Date
EP4216667A1 true EP4216667A1 (fr) 2023-07-26

Family

ID=85018837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23152464.6A Pending EP4216667A1 (fr) 2022-01-21 2023-01-19 Procédé de fabrication d'un tapis chauffant et tapis chauffant fabriqué selon ce procédé

Country Status (2)

Country Link
EP (1) EP4216667A1 (fr)
DE (1) DE102022101377A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459461A (en) * 1982-09-28 1984-07-10 West Point Pepperell, Inc. Flocked electric blanket construction
US6172344B1 (en) * 1993-12-24 2001-01-09 Gorix Limited Electrically conductive materials
WO2011126223A2 (fr) * 2010-04-06 2011-10-13 주식회사 우석 Procédé de fabrication d'élément chauffant personnalisé et son élément chauffant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459461A (en) * 1982-09-28 1984-07-10 West Point Pepperell, Inc. Flocked electric blanket construction
US6172344B1 (en) * 1993-12-24 2001-01-09 Gorix Limited Electrically conductive materials
WO2011126223A2 (fr) * 2010-04-06 2011-10-13 주식회사 우석 Procédé de fabrication d'élément chauffant personnalisé et son élément chauffant

Also Published As

Publication number Publication date
DE102022101377A1 (de) 2023-07-27

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