EP3100647A1 - Réchauffeur de lit comprenant un tissu qui contribue à éliminer l'humidité et à augmenter la transpiration - Google Patents

Réchauffeur de lit comprenant un tissu qui contribue à éliminer l'humidité et à augmenter la transpiration Download PDF

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Publication number
EP3100647A1
EP3100647A1 EP16001214.2A EP16001214A EP3100647A1 EP 3100647 A1 EP3100647 A1 EP 3100647A1 EP 16001214 A EP16001214 A EP 16001214A EP 3100647 A1 EP3100647 A1 EP 3100647A1
Authority
EP
European Patent Office
Prior art keywords
bed warmer
bed
warmer
textile fibre
fibre
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Withdrawn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
EP16001214.2A
Other languages
German (de)
English (en)
Inventor
Giancarlo Milani
Arturo Morgandi
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.)
Tenacta Group SpA
Original Assignee
Tenacta Group SpA
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 Tenacta Group SpA filed Critical Tenacta Group SpA
Publication of EP3100647A1 publication Critical patent/EP3100647A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
    • A47C21/046—Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/048—Devices for ventilating, cooling or heating for heating
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • 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

Definitions

  • the present invention relates to a bed warmer.
  • the present invention relates to a bed warmer with a tissue that helps in removing the moisture and increasing transpiration.
  • the bed warmers, heating pads, heating mats and similar products generally referred to herein with the term "bed warmer” are known since long time ago. Typically, they comprise a power control unit and an operating unit electrically connected one each other; these two units can be connected one each other in a permanent way or they can be separate and electrically connectable.
  • the operating unit generally comprises a folding sheet and a linear heating element distributed inside the sheet and consisting of one or more conductors, mostly with a serpentine-like shape, having a path such as to promote the sheet folding. The heat is electrically produced by a Joule effect in the conductors, and from here the heat is distributed in the sheet.
  • bed warmers are single-season type devices, since their use is limited to winter time, while during summer times they are not used because they do not have a useful function to the user. In this case, the bed warmer should be kept in a safe place until its new use in the next cold season.
  • the wool has a high moisture absorbing power, but it is expensive and produces a heating effect to the body that is troublesome during summer time.
  • the silk is particularly useful for its softness, as well as flax is useful for its freshness and polyester for its durability.
  • all of these materials, as well as cotton, have a relatively low moisture absorption.
  • the Applicant of the present invention has noticed the need to achieve a bed warmer which is simple and cheap to be manufactured, convenient to use, and which solves the above described technical problem related to the excessive sweating while sleeping.
  • the Applicant has surprisingly found that by providing such bed warmers with at least one side coated with an outer layer formed by a particular fibre, they are able to create a natural ventilation on the part of the body that is in direct contact or indirectly through a sheet with said outer layer, keeping drier the skin and thus giving the user a pleasant freshness feeling.
  • the present invention relates to a bed warmer as that one indicated in claim 1.
  • a bed warmer that includes an operating unit that includes a casing (or blanket) and a heating element distributed inside the casing, characterized in that said bed warmer also comprises a layer covering at least one side of said operating units, said layer containing at least one textile fibre having a transpiration value, according to the evaporative resistance tests disclosed in EN 31092 standard, which represents an improvement of at least 30% with respect to the transpiration value of cotton, is able to allow to reduce the sweating emitted by the user while sleeping, especially during the warmer months or in conditions wherein the bed warmer is set at a high temperature.
  • such fibres are able to absorb a lot of moisture and to let it evaporate in a natural way, providing a moisture exchange capacity that is much higher when compared to other natural fibres, such as, cotton and wool.
  • a moisture exchange capacity that is much higher when compared to other natural fibres, such as, cotton and wool.
  • the advantage of being able to use a single device consisting of the bed warmer of the present invention provided with a means for reducing the moisture emitted from the wearer's body due to his sweating while sleeping is also obtained.
  • a single device can be used throughout the year, both as a bed warmer to heat the bed during the cold months, and as an element to cool the body during the warmer months, wherein a greater user sweating occurs.
  • cotton and/or polyester when reference is made to cotton and/or polyester, it is meant, respectively, a reference to that kind of cotton and/or polyester typically used in the bedding field, having the structure, texture, workmanship, fabric, wire strands and other features adapted to obtain the typical cotton and/or polyester bed sheets and similar accessories.
  • said textile fibre has a transpiration value that is at least 150% the one of cotton, according to the evaporative resistance tests disclosed in EN 31092 standard.
  • said textile fibre is a viscose fibre extracted from wood pulp cellulose, especially from eucalyptus wood.
  • said textile fibre extracted from the cellulose is provided with nano-fibrils.
  • said nano-fibrils are homogeneously distributed within said textile fibre.
  • said textile fibre is of the lyocel type (also called Tencel), which is a fibre made from crushed cellulose dissolved in NMMO-monohydrate (N-methylmorpholine-N-oxide-monohydrate).
  • NMMO-monohydrate N-methylmorpholine-N-oxide-monohydrate
  • Such a type of fibre is commercially available under the registered trademark Tencel R by Lenzing Ag, Austria.
  • said textile fibre is a yarn specially molded; more preferably, the structure of said textile fibre comprises a plurality of microchannels in its interior, for example 4 or 6 microchannels, which extend for the whole length of the fibre.
  • said textile fibre of this second embodiment is provided with the Coolmax R trademark by Invista TM , USA.
  • said outer layer containing the textile fibre is fixed to said operating unit comprising said casing enclosing therein said heating element by means of sewing or quilting.
  • said bed warmer is coated on both the upper side and the lower side by said outer layer formed by said textile fibre.
  • said bed warmer further comprises a power control electrically connectable at one end to an electrical supply network and at the other side to said operating unit.
  • FIG. 1-2 an embodiment of the bed warmer 10 of the present invention is described, intended to be supplied at an AC voltage, for example with a frequency of 50 or 60 Hz.
  • the main elements that constitute the bed warmer 10 of the present invention are shown in Figure 1 , separated one each other, before being assembled together.
  • the heating element 1 consisting of an electric wire coil
  • a blanket 2 that serves as a casing for the insertion therein of the heating element 1
  • the outer layer 3 that includes the textile fibre for the absorption moisture, to be applied to the casing 2 are visible.
  • the housing 2 wherein the heating element 1 is inserted is shown in Figure 2 , at one end of which is arranged an outlet 4 for the connection to a cable for the electricity network, so that the casing 2 and the heating element 1 constitute all together the operating unit 400 of the bed warmer 10.
  • the bed warmer 10 also comprises a power supply control unit 300 (contained in a plastic housing 209) which is electrically connectable, on one side, to a power supply network and, on the other side, to such an outlet 4 of the operating unit 400 by means of an interconnecting cable 207, in conformity with the international codes H03VV-F 2 X 0.50 mm 2 of the electrical cables and having for example a length of 60 cm.
  • the user through the power supply control unit 300, can set various parameters related to a better utilization of the bed warmer 10 by the user itself as, for example, the desired temperature, duration of its operation, its turning off after a certain period of time and other parameters related to time, temperature, absorbed and dissipated energy.
  • the outer layer 3 is substantially constituted by such a textile fibre of the Lyocell type, marketed under the name 700-600 Tencel R from Lenzing Ag, Austria, which is a modified viscose fibre, naturally hygienic, extracted from the eucalyptus wood pulp cellulose, 100% biodegradable, having a smooth and particularly soft surface.
  • a fibre is made by nano fibrils, distributed in a homogeneous and regular way as to allow an optimal moisture absorption and a constant and homogeneous temperature on the whole contact surface of the user and, consequently, a considerable reduction of the bacteria proliferation.
  • this fibre has neutral electrical properties, thus protecting the user's body from electrostatic charges.
  • the outer layer 3 comprising such a Lyocell type textile fibre, is fixed to the operating unit 400, constituted as mentioned above by the casing 2 which contains in its interior the heating element 1 ( Figure 2 ), so that the outer layer 3 completely covers the side of the operating unit 400 facing the user (not shown in the figures).
  • Such an outer layer 3 may be fixed to the operating unit 400 for example by sewing or quilting.
  • the sweat emitted from the wearer's body while sleeping is rapidly absorbed from the textile fibre contained in the outer layer 3 which allows to keep more dry the user's skin and then to give the user a comfortable feeling while sleeping.
  • such fibres are able to absorb a lot of moisture and let it evaporate in a natural way, providing a very high moisture exchange capability.
  • the bed warmer of the present invention may be used throughout the year, instead of only in winter time as occurs to known in the art bed warmers.
  • Example 2 is substantially equal to Example 1, the only difference being given by the fact that in this case the outer layer 3 is substantially constituted by a textile fibre marketed under the trade name Coolmax R , available from Invista TM , USA. Such a fibre is made from a plurality of channels in its interior, about 4-6 channels, which allow a rapid transfer of moisture towards the outside to be evaporated.
  • Coolmax R a textile fibre marketed under the trade name Coolmax R , available from Invista TM , USA.
  • Such a fibre is made from a plurality of channels in its interior, about 4-6 channels, which allow a rapid transfer of moisture towards the outside to be evaporated.
  • Comparison Example 3 is substantially equal to Example 1 of the invention, the only difference being given by the fact that in this case the outer layer 3 consists substantially of a typical cotton used in the bedding field.
  • Comparison Example 4 is substantially equal to Example 1 of the invention, the only difference being given by the fact that in this case the outer layer 3 consists substantially of a typical polyester used in the bedding field.
  • these textile fibres have a much higher moisture exchange capacity even compared to that one of other natural fibres, such as cotton.
  • the bed warmers of the present invention therefore showed an ideal microclimate for a better quality of sleep, also with a reduced bacterial growth due to a reduced amount of residual moisture on the wearer's skin.
  • each of both sides of the operating unit 400 may be covered by such an outer layer 3 comprising such textile fibre.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Bedding Items (AREA)
EP16001214.2A 2015-06-05 2016-05-30 Réchauffeur de lit comprenant un tissu qui contribue à éliminer l'humidité et à augmenter la transpiration Withdrawn EP3100647A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB20151207 2015-06-05

Publications (1)

Publication Number Publication Date
EP3100647A1 true EP3100647A1 (fr) 2016-12-07

Family

ID=54150555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16001214.2A Withdrawn EP3100647A1 (fr) 2015-06-05 2016-05-30 Réchauffeur de lit comprenant un tissu qui contribue à éliminer l'humidité et à augmenter la transpiration

Country Status (4)

Country Link
EP (1) EP3100647A1 (fr)
KR (1) KR20160143531A (fr)
CN (1) CN106235758A (fr)
AU (1) AU2016203367A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11318666A (ja) * 1998-05-16 1999-11-24 Tanaka Sewing Machine Hosei:Kk 電気毛布と電気毛布の製造方法
EP1629815A1 (fr) * 2004-08-23 2006-03-01 Mathias Gondorf Matelas
EP2676578A1 (fr) * 2012-06-18 2013-12-25 Tenacta Group S.p.A. Appareil thermique amélioré et procédé d'utilisation
US20140211113A1 (en) * 2013-01-25 2014-07-31 Dreamwell, Ltd. Thermally activated mattress cover and display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411863B (de) * 2002-09-16 2004-07-26 Chemiefaser Lenzing Ag Decke, vorzugsweise steppdecke
DE202005003151U1 (de) * 2005-02-24 2005-05-25 Mattes & Ammann Kg Matratzenbezugs- oder -oberstoff in Form eines mehrlagigen Gestrickes oder Gewirkes
CN202060374U (zh) * 2011-04-15 2011-12-07 陈贵棠 一种控温电热弹簧床垫

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11318666A (ja) * 1998-05-16 1999-11-24 Tanaka Sewing Machine Hosei:Kk 電気毛布と電気毛布の製造方法
EP1629815A1 (fr) * 2004-08-23 2006-03-01 Mathias Gondorf Matelas
EP2676578A1 (fr) * 2012-06-18 2013-12-25 Tenacta Group S.p.A. Appareil thermique amélioré et procédé d'utilisation
US20140211113A1 (en) * 2013-01-25 2014-07-31 Dreamwell, Ltd. Thermally activated mattress cover and display

Also Published As

Publication number Publication date
CN106235758A (zh) 2016-12-21
AU2016203367A1 (en) 2016-12-22
KR20160143531A (ko) 2016-12-14

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