EP0874668B1 - Schutzhandschuh für hochtemperaturarbeitsbereiche - Google Patents

Schutzhandschuh für hochtemperaturarbeitsbereiche Download PDF

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Publication number
EP0874668B1
EP0874668B1 EP96941686A EP96941686A EP0874668B1 EP 0874668 B1 EP0874668 B1 EP 0874668B1 EP 96941686 A EP96941686 A EP 96941686A EP 96941686 A EP96941686 A EP 96941686A EP 0874668 B1 EP0874668 B1 EP 0874668B1
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EP
European Patent Office
Prior art keywords
layer
hand protection
thermal insulation
protection according
insulation layer
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 - Lifetime
Application number
EP96941686A
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English (en)
French (fr)
Other versions
EP0874668A1 (de
Inventor
Harri Kosmala
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.)
Kosmala Ky
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Kosmala Ky
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Publication date
Application filed by Kosmala Ky filed Critical Kosmala Ky
Publication of EP0874668A1 publication Critical patent/EP0874668A1/de
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/003—Fire-resistant or fire-fighters' clothes
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • A41D19/01529—Protective gloves with thermal or fire protection
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/08—Heat resistant; Fire retardant
    • A41D31/085—Heat resistant; Fire retardant using layered materials

Definitions

  • the invention relates to a hand protection for hot workplaces of the type presented in the preamble portion of the attached Claim 1.
  • US-A-5 349 705 describes hand protection for hot workplaces, comprising a heat-resistant outermost textile layer and inwardly thereof a thermal insulation layer consisting of fibres, wherein the hand protection is a protective glove of mitten-type comprising a thumb portion and a palm portion, the glove comprising at least the following layers from the outside to the inside:
  • a non-woven web as thermal insulation layer in a glove is known from US-A-2 650 365.
  • a hand protection such as a protective glove expressly for medium-hot (not exceeding 250°C) working range where a direct contact with the hot object is often present and, moreover, hot steam is present. Examples of such objects are in particular kitchens and bakeries.
  • the hand protection In addition to the requirement that the hand protection must be able to protect the hand, it must, for the sake of work duties, operate well in grasping and moving various objects.
  • the object of the invention is to eliminate the drawbacks of previous hand protections and to present a hand protection having good properties in view of both work operations and protection for the hand.
  • the hand protection is mainly characterized by what is disclosed in the characterizing portion of the attached Claim 1.
  • the hand protection comprises three layers in mutual cooperation, namely
  • Figure 1 shows the basic construction of the hand protection intended for hot workplaces within a medium-hot range.
  • the hand protection is a mitten-type protector having a thumb portion for receiving the thumb and a palm portion for receiving jointly the rest of the fingers.
  • a textile layer 1 forming the contact surface with the objects that are grasped and moved and transferred during the work in a hot workplace.
  • This layer is of a fabric that is formed of a fire-protected cellulose fibre. Inside this fabric is attached by lamination a microporous waterproof film 2. Inwardly of the combination of the fabric and film there is the thickest layer of all layers of the layered structure, being more fluffy or spongy than the fabric.
  • the layer is a non-woven web or a felt formed of suitable fibres and constituting a thermal insulation layer 3. It can be loose from the above-mentioned two layers. In the innermost position, that is against the hand, there is still a thin interior lining 4.
  • Figure 2 shows a variant where the thermal insulation layer 3 is formed of two sublayers 3a, 3b, which are felts containing the same fibre or fibre blend.
  • Figure 3 shows a variant where the sublayers are felts consisting of different materials.
  • the constructions according to Figs. 2 and 3 are preferably used in the palm portion of the protective glove, where often a higher thermal insulation capacity is needed. In this case the solution according to Fig. 1 can be applied in the rest of the glove. It is, however, possible to use such a protective glove whose material in all regions is made according to Fig. 1, in other words, it is formed of the same material.
  • the textile layer 1 is a densely woven fabric formed of cellulose fibres and being fire-protected.
  • the fabric can be for example a cotton fabric which after the weaving has been subjected to dyeing and fire protection treatment with some suitable fire protection chemical, for example with a nitrogen-containing chemical based on phosphates. It is also possible to use in the weaving a yarn that has already been fire-protected. Compared with synthetic fibres that are inherently heat-resistant, reasonable price and sufficient heat resistance within the medium-hot range are the advantages of this material.
  • Another alternative for the textile layer can be a fire-protected polyester-cotton fabric, which can be manufactured by weaving together fire-protected cotton yarn and fire-protected polyester yarn.
  • the film 2 laminated on the inside of the textile layer is a microporous breathable waterproof elastic polyurethane film that is available for example under the trade name "PORELLE".
  • the thickness of such film is typically less than 100 ⁇ m, most generally 40 ⁇ 70 ⁇ m.
  • the film is preferably fire-protected with a suitable chemical so that its LOI value exceeds 24.
  • the waterproofness of the film expressed as the height of water column, is at least 150 cm and preferably at least 300 cm, and the water vapour permeability at 37°C and at 100 % relative humidity is at least 1000 g/m 2 /24 h, preferably at least 2000 g/m 2 /24 h (determination ASTM standard E96).
  • breathable film is in this context meant a film preventing the passage of liquid water (and wet steam) but allowing water evaporated in gaseous form from the skin and carbon dioxide to pass through.
  • other thin films that have corresponding advantageous properties can be applicable, such as polyethylene-based microporous films, and they are preferably fire-protected.
  • the softening point of the polymer material of the film 2 should be over 250°C. Polyurethane films withstand still a temperature of 280°C.
  • the joint basis weight of the exterior textile layer 1 and the film 2 is preferably in the range of 250 ⁇ 400 g/m 2 .
  • a blend made of staple fibres containing viscose fibre incorporating polysilicic acid is most preferably used.
  • a viscose fibre of this type is known, and it is supplied for example by Kemira Fibres Oy under trademark "VISIL".
  • VISIL Kemira Fibres Oy under trademark
  • Such viscose fibre is produced by adding waterglass into the spinning solution, whereafter the waterglass during the spinning of the viscose will be distributed as polysilicic acid uniformly in the fibre.
  • the viscose fibre as such is a good thermal insulator, and in addition to that, the polysilicic acid content improves its resistance to heat.
  • the purpose of the synthetic fibre is to increase the fire protection by preventing flame propagation.
  • aramid fibres or synthetic fibres can be used.
  • a felt of this kind has a particularly low flammability.
  • thermal insulation felt is a blend of regular viscose fibre and a synthetic fibre that is not of aromatic polyamide and has a heat resistance of at least 250°C, such as a blend of viscose and polyester fibre (PET). These fibres may have been subjected to normal fire protection treatment. These combinations allow to obtain a felt with insulation capacity in the same class as with for example a felt of the VISIL/KERMEL type, but with a considerably lower price.
  • Polyester fibres have inherently good thermal resistance properties, because the melting point of polyester (PET) determined by differential thermal analysis (DTA) is ca. 255°C.
  • PET melting point of polyester
  • DTA differential thermal analysis
  • the proportions of the viscose fibre and blend fibre can vary.
  • viscose fibre containing polysilicic acid can be present in an amount of 50 ⁇ 60 wt-% and the heat-resistance synthetic fibre in an amount of 40 ⁇ 50 wt-%.
  • the fibres are formed into a felt in manners well-known in textile technology, for example in a dry method and by mechanically needling the fibres to each other.
  • the separate sublayers can be attached to each other by needling.
  • the total weight of the thermal insulation layer is most preferably in the range of 150 ⁇ 500g/m 2 .
  • the thermal insulation layer 3 comprises two sublayers 3a and 3b of different materials, for example in the way according to Fig. 3, one of the layers can be a blend of viscose fibre containing polysilicic acid and of synthetic fibre, for example the aforementioned "VISIL/KERMEL", and the other can be a blend of regular viscose fibre and synthetic non-aramid fibre, such as the aforementioned viscose/PET.
  • the former blend is suitable for the layer 3a closer to the exterior surface.
  • the interior lining 4 can be of any material suitable for the wear comfort, for example cotton fabric.
  • the film 2 is attached onto the outermost textile layer 1 in such a fashion that it will be fixed theron evenly with its surface.
  • Suitable techniques can be spot-bonding or paste spot method, where a glue present in a spot-like fashion between the film and the textile layer is spread during calendering to form a relatively uniform layer.
  • Substances which do not impair the operation of the film 2 can be employed as glues, such as known thermoadhesive substances.
  • the thermal insulation layer 3 can be secured in such a fashion that it is loose from the inner surface of the film 2 and fixed to the top layer only at some of its edges.
  • the interior lining 4 can be loose from the former layers and fixed to them only at its edge portions.
  • Figure 4 shows the hand protection in the form of a protective glove, the palm piece being denoted with hatched area 5.
  • the protective glove can be made according to predetermined handedness (thumb at side) or for both hands (thumb in the middle).
  • Figure 5 shows the glove schematically as a side view, showing also the corresponding area hatched. As mentioned hereinabove, this piece 5 can have a thicker thermal insulation layer 3 than elsewhere.
  • Figures 6 and 7 show the protective glove as longitudinal and transverse cross-sections.
  • the figure shows how the thermal insulation layer 3 is fixed along the side seams, and elsewhere it can be loose from the rest of the layers, which allows to achieve the best operation in view of breathability and thermal insulation.
  • the thermal insulation layer can also be attached to the film 2 by light glueing.
  • the hand protection according to the invention can be said to fulfill the following requirements by virtue of the material selections:

Landscapes

  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Gloves (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Inorganic Insulating Materials (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Resistance Heating (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Manipulator (AREA)

Claims (11)

  1. Handschutz für heiße Arbeitsplätze, der aufweist eine hitzebeständige äußerste Textilschicht (1) und innerhalb hiervon eine Schicht (3) für thermische Isolierung, die Fasern aufweist, wobei der Handschutz aus einem Schutzhandschuh von der Art eines Fausthandschuhs besteht, der einen Daumenteil und einen Handflächenteil umfaßt, wobei der Handschuh wenigstens die folgenden Schichten von außen nach innen aufweist:
    als äußerste Textilschicht (1) einen Stoff, der feuerbeständige Cellulose-Fasern alleine oder in einer Mischung aufweist,
    einen mikroporösen wasserdichten Film (2), der mit seiner Oberfläche auf der äußersten Textilschicht angebracht ist, wobei der Film als eine Schicht dient, die vor heißen Dämpfen schützt und
    an der Innenseite des Filmes (2) ein nicht gewebtes Gewebe als Schicht (3) für thermische Isolierung.
  2. Handschutz nach Anspruch 1, dadurch gekennzeichnet, daß der nicht gewebte Stoff als Schicht (3) für thermische Isolierung die dickste Schicht von allen Schichten bildet.
  3. Handschutz nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die äußerste Textilschicht (1) aus einem feuergeschütztem Baumwollstoff hergestellt ist, die möglicherweise mit einer synthetischen Faser gemischt ist.
  4. Handschutz nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der mikroporöse wasserdichte Film (2) feuergeschützt ist.
  5. Handschutz nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der mikroporöse wasserdichte Film (2) ein Polyurethan-Film ist.
  6. Handschutz nach einem der vorangegangenen Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der mikroporöse wasserdichte Film (2) an der äußersten Textilschicht (1) mittels eines Klebstoffes befestigt ist.
  7. Handschutz nach einem der vorangegangenen Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der nicht gewebte Stoff, der als Schicht (3) für thermische Isolierung dient, eine Mischung aus Viskosefasern und synthetischen Fasern aufweist.
  8. Handschutz nach einem der vorangegangenen Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das nicht gewebte Gewebe, das als Schicht (3) für thermische Isolierung dient, eine Viskosefaser aufweist, die Polykieselsäure aufweist.
  9. Handschutz nach Anspruch 7 und 8, dadurch gekennzeichnet, daß die Viskosefasern, die Polykieselsäure enthalten, mit Aramidfasern gemischt sind.
  10. Anspruch nach einem der vorangegangenen Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Schicht (3) für thermische Isolierung an ihren Kanten an den äußeren Schichten befestigt ist, wobei der Bereich in der Mitte von ihnen lose bzw. frei gelassen wird.
  11. Handschutz nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schicht (3) für thermische Isolierung des Handflächenteils (5) des Schutzhandschuhs dicker als die entsprechende Schicht in den anderen Teilen des Schutzhandschuhs ist, wobei sie eine integrale Schicht oder zwei oder mehr Unterschichten (3a, 3b) aufweist.
EP96941686A 1995-12-19 1996-12-19 Schutzhandschuh für hochtemperaturarbeitsbereiche Expired - Lifetime EP0874668B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI956097A FI101590B1 (fi) 1995-12-19 1995-12-19 Käsisuojus kuumatyötä varten
FI956097 1995-12-19
PCT/FI1996/000675 WO1997022385A1 (en) 1995-12-19 1996-12-19 Hand protection for hot workplaces

Publications (2)

Publication Number Publication Date
EP0874668A1 EP0874668A1 (de) 1998-11-04
EP0874668B1 true EP0874668B1 (de) 2000-08-09

Family

ID=8544573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96941686A Expired - Lifetime EP0874668B1 (de) 1995-12-19 1996-12-19 Schutzhandschuh für hochtemperaturarbeitsbereiche

Country Status (7)

Country Link
EP (1) EP0874668B1 (de)
AT (1) ATE195260T1 (de)
AU (1) AU1100097A (de)
DE (1) DE69609734T2 (de)
FI (1) FI101590B1 (de)
NO (1) NO982836L (de)
WO (1) WO1997022385A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500590A1 (de) * 2004-08-12 2006-02-15 Eska & Dutka Lederhandschuhfab Handschuh
CN102896854A (zh) * 2012-11-05 2013-01-30 中国人民解放军海军医学研究所 一种耐高温隔热防水防静电的多功能面料及其应用
CN103054241A (zh) * 2011-10-22 2013-04-24 倪峻峰 一种防割手套
US9079050B2 (en) 2011-12-16 2015-07-14 Ansell Limited Structural fire glove
US9655393B2 (en) 2013-11-05 2017-05-23 Ansell Limited Layered structural fire glove
WO2021037241A1 (zh) * 2019-08-30 2021-03-04 世源科技(嘉兴)医疗电子有限公司 一种熔融金属滴喷溅防护服及加工方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6713411B2 (en) * 1998-04-20 2004-03-30 Precision Fabric Group Chemical resistant, water and dry particle impervious, flame resistant laminate
DE19839758C1 (de) * 1998-09-01 2000-02-17 Freudenberg Carl Fa Halbzeugmaterial zur Herstellung von Schutzbekleidung sowie Verfahren zu seiner Herstellung
US7162748B2 (en) 2000-02-02 2007-01-16 Martin Hottner Handcovering
DE10004355A1 (de) * 2000-02-02 2001-08-23 Gore W L & Ass Gmbh Handschuh
US6794529B2 (en) 2000-07-07 2004-09-21 Commonwealth Scientific And Industrial Research Organisation Substituted diboron compounds
FR2842398B1 (fr) * 2002-07-17 2005-04-22 Abeil Gant composite a protection multifactorielle: chaleur seche, chaleur humide, flamme, liquides, coupures, electrique
BE1021005B1 (nl) * 2012-12-19 2014-12-11 Amitexcon Bvba Multilagensysteem van textielmaterialen voor beschermende kledij voor brandbestrijding.
IT201900000529A1 (it) * 2019-01-11 2020-07-11 Tecnoguanti Italia S R L Dispositivo di protezione individuale per mano, in particolare contro il calore per contatto, convettivo, radiante, spruzzi di metallo fuso e fiamma, contro il freddo e contro il taglio e/o la perforazione
CN114794623A (zh) * 2022-06-06 2022-07-29 南通强生新材料科技股份有限公司 一种耐高温的热接触手套

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650365A (en) * 1951-07-05 1953-09-01 Singer Isadore Flame- and heat-resistant work glove
US3173150A (en) * 1963-01-14 1965-03-16 Edmont Inc Gloves and methods of construction
FR2637919B1 (fr) * 1988-10-14 1991-06-28 Picardie Lainiere Textile composite anti-feu impermeable vetement et siege comportant un tel textile
US4918756A (en) * 1988-11-30 1990-04-24 Grilliot William L Waterproof firefighter's glove
US5349705A (en) * 1991-07-12 1994-09-27 Shelby Group International Inc. Firefighter's glove and method of manufacture

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500590A1 (de) * 2004-08-12 2006-02-15 Eska & Dutka Lederhandschuhfab Handschuh
CN103054241A (zh) * 2011-10-22 2013-04-24 倪峻峰 一种防割手套
US9079050B2 (en) 2011-12-16 2015-07-14 Ansell Limited Structural fire glove
CN102896854A (zh) * 2012-11-05 2013-01-30 中国人民解放军海军医学研究所 一种耐高温隔热防水防静电的多功能面料及其应用
CN102896854B (zh) * 2012-11-05 2015-04-29 中国人民解放军海军医学研究所 一种耐高温隔热防水防静电的多功能面料及其应用
US9655393B2 (en) 2013-11-05 2017-05-23 Ansell Limited Layered structural fire glove
WO2021037241A1 (zh) * 2019-08-30 2021-03-04 世源科技(嘉兴)医疗电子有限公司 一种熔融金属滴喷溅防护服及加工方法

Also Published As

Publication number Publication date
FI956097A0 (fi) 1995-12-19
DE69609734T2 (de) 2001-04-12
EP0874668A1 (de) 1998-11-04
ATE195260T1 (de) 2000-08-15
FI101590B (fi) 1998-07-31
NO982836D0 (no) 1998-06-19
FI956097A (fi) 1997-06-20
AU1100097A (en) 1997-07-14
NO982836L (no) 1998-06-19
DE69609734D1 (de) 2000-09-14
WO1997022385A1 (en) 1997-06-26
FI101590B1 (fi) 1998-07-31

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