EP0246462B1 - Vêtement de protection - Google Patents

Vêtement de protection Download PDF

Info

Publication number
EP0246462B1
EP0246462B1 EP87106015A EP87106015A EP0246462B1 EP 0246462 B1 EP0246462 B1 EP 0246462B1 EP 87106015 A EP87106015 A EP 87106015A EP 87106015 A EP87106015 A EP 87106015A EP 0246462 B1 EP0246462 B1 EP 0246462B1
Authority
EP
European Patent Office
Prior art keywords
protective suit
layer
protective
suit
weighting
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
EP87106015A
Other languages
German (de)
English (en)
Other versions
EP0246462A2 (fr
EP0246462A3 (en
Inventor
Dieter Dr. Föller
Jürgen Tews
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.)
Battelle Institut eV
Original Assignee
Battelle Institut eV
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 Battelle Institut eV filed Critical Battelle Institut eV
Priority to AT87106015T priority Critical patent/ATE50905T1/de
Publication of EP0246462A2 publication Critical patent/EP0246462A2/fr
Publication of EP0246462A3 publication Critical patent/EP0246462A3/de
Application granted granted Critical
Publication of EP0246462B1 publication Critical patent/EP0246462B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/233—Foamed or expanded material encased
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24033—Structurally defined web or sheet [e.g., overall dimension, etc.] including stitching and discrete fastener[s], coating or bond
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249976—Voids specified as closed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]

Definitions

  • the invention relates to a protective suit against sound waves, as it is known for example - but with a different mechanism of action - from GB-A-989970.
  • Sound waves acting on the periphery of a human being are also transmitted to the inside of the body, in particular at noise levels above the noise pain limit.
  • the circulation and the internal organs can be so burdened by sound that triggers circulatory disorders, nausea and other vegetative reactions.
  • soundproof suits made of thickened material, such as leather or textile fabric.
  • the material thickness of the protective suits is approx. 1 to 2 mm.
  • soundproof vests that only cover the torso, or body bandages that act as kidney protection.
  • Some protective suits have double material thicknesses in the kidney area.
  • the basis weight of the known protective materials is approximately 1.5 kg / m 2 .
  • High noise levels up to 130 dB (A) occur e.g. in production halls with high-speed impact presses or for repairs and test runs of jet engines.
  • the spectral distribution of the broadband noise occurring extends over the entire listening area.
  • the insulating effect of the known protective suits or protective parts only starts above 1000 Hz, so that all the underlying sound frequencies are transmitted to the periphery of the body. They therefore do not offer sufficient protection against sound waves.
  • the invention is therefore based on the object of providing a protective suit in which the transmission of sound to the periphery of the body and into the inside of the body is reduced to a minimum while the overall weight and thickness of the suit are still acceptable.
  • This object is achieved according to the invention in that at least two flexible soundproofing layers are provided, one of which has a weighting layer and the other of which has a cushioning layer.
  • these protective layers it is achieved that the protective effect of the suit according to the invention already starts at substantially lower frequencies than 1000 Hz, as a result of which the sound pressure level penetrated into the body is significantly reduced, especially in the medium and high frequency range which is important from a medical point of view.
  • Fig. 1 shows the cross section of the structure of a protective suit with flexible protective layers.
  • the base material 2 which can consist, for example, of leather or a heavy textile fabric, a weighting layer 3 and a cushion layer 4 adjoining it are arranged.
  • the sound waves to be insulated hit the outside 5 of the base material 2.
  • the weighting layer 3 consists of plate-shaped weighting elements 6 that are spaced apart, preferably arranged in a grid, and is e.g. made of elastic plastic material. However, it can also be in the form of a strip or as a continuous flexible film.
  • the weight per unit area of the weighting layer 3 should be between 4 and 6 kg / m2 so that the overall weight of the suit does not become too large.
  • the weighting layer 3 can be glued to the base material 2 or quilted by means of a thin, light fabric 7.
  • the cushion layer 4 located above the weighting layer 3 is shown in the exemplary embodiment in the form of a cushion as a quilted air cushion or cotton cushion, which is either held by a light inner lining 8 or is adhesively bonded to the fabric 7 or the weighting layer 3.
  • a cushion layer can also be in the form of strips or sheets and, for example, be made of foam.
  • the thickness of the cushion layer should be at least 15 mm, but due to sufficient mobility with such a protective suit, a thickness of 30 mm should not be exceeded.
  • the weight of the cushion layer 4 can be neglected with regard to the weighting layer 3.
  • Curve A shows the insulating effect of the soundproofing suit according to the invention in comparison to a commercially available protective suit.
  • Curve A relates to a leather overall without additional protective layers. An insulation effect only sets here from a frequency of 1000 Hz on.
  • Curve B shows the insulation behavior of a protective suit according to the invention with two soundproofing layers, specifically with a weighting layer 3 with a weight per unit area of 5 kg / m 2 and a 30 mm thick cushion layer 4. The insulation effect starts here after 160 Hz and improves at higher frequencies up to 25 dB.
  • protective suit according to the invention With the protective suit according to the invention, a significantly better insulating effect of sound waves on the human body periphery is achieved and a higher protective effect is achieved in occupational medicine terms.
  • protective suits according to the invention which still give an acceptable overall weight with the given sizes of the protective layers and allow sufficient mobility, care should be taken that the openings for the legs and especially for the arms are well closed by a collar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Insulated Conductors (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Gyroscopes (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Laminated Bodies (AREA)

Claims (8)

1. Vêtement de protection contre les ondes sonores, caractérisé en ce que sont disposées au moins deux couches souples (3, 4) de protection contre les sons, dont l'une présente une couche de charge (3) et dont l'autre présente une couche de matelassage.
2. Vêtement de protection selon la revendication 1, caractérisé en ce que la couche de charge (3) est sous forme d'une feuille élastique et présente un poids par unité de surface de 3 à 6 kg/ m2, de préférence de 5 kg/m2.
3. Vêtement de protection selon la revendication 1 ou 2, caractérisé en ce que la couche de charge (3) est constituée de plusieurs éléments individuels (6) plats, de préférence disposés en forme de réseau.
4. Vêtement de protection selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la couche de charge (3) est constituée d'éléments individuels en forme de bande.
5. Vêtement de protection selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la couche de charge (3) est constituée d'une matière plastique élastique.
6. Vêtement de protection selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la couche de matelassage (4) est constituée d'éléments individuels plats, en forme de bande ou en forme de coussin, et présente au moins une épaisseur de 15 mm, de préférence de 30 mm.
7. Vêtement de protection selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la couche de matelassage (4) est constituée d'un matériau à haut degré de mollesse, tel que mousse ou ouate bordée.
8. Vêtement de protection selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la couche de charge (3) et la couche de matelassage (4) sont fixées par collage ou par piqûres sur la face interne du vêtement de protection.
EP87106015A 1986-05-21 1987-04-24 Vêtement de protection Expired - Lifetime EP0246462B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87106015T ATE50905T1 (de) 1986-05-21 1987-04-24 Schutzanzug.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3617088 1986-05-21
DE19863617088 DE3617088A1 (de) 1986-05-21 1986-05-21 Schutzanzug

Publications (3)

Publication Number Publication Date
EP0246462A2 EP0246462A2 (fr) 1987-11-25
EP0246462A3 EP0246462A3 (en) 1988-05-04
EP0246462B1 true EP0246462B1 (fr) 1990-03-14

Family

ID=6301301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87106015A Expired - Lifetime EP0246462B1 (fr) 1986-05-21 1987-04-24 Vêtement de protection

Country Status (5)

Country Link
US (1) US4842913A (fr)
EP (1) EP0246462B1 (fr)
AT (1) ATE50905T1 (fr)
DE (2) DE3617088A1 (fr)
ES (1) ES2013614B3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9016713U1 (de) * 1990-12-10 1992-04-09 W.L. Gore & Associates Gmbh, 8011 Putzbrunn Körperschutzvorrichtung
DE102015215450A1 (de) * 2015-08-13 2017-02-16 Adidas Ag Schallschutzstruktur für ein Kleidungsstück

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940641C (de) * 1954-01-12 1956-12-13 Friedrich Schleich Schutzstoff
US2831198A (en) * 1957-08-14 1958-04-22 Shelley Sportswear Co Inc Insulated garment
GB989970A (en) * 1962-08-02 1965-04-22 English Electric Co Ltd Improvements in and relating to protection from noise
GB1034581A (en) * 1964-01-31 1966-06-29 British Aircraft Corp Ltd Improvements in and relating to garments affording protection from noise
US3337876A (en) * 1965-07-06 1967-08-29 Armstrong Edmond Constant-volume underwater exposure suit
CA866094A (en) * 1967-01-13 1971-03-16 Chapuis Jacques Heat retaining article of manufacture
US3635786A (en) * 1970-01-19 1972-01-18 Beacon Mfg Co Laminated nonwoven fabric utilizing a foam layer and a stitched fibrous layer
US4262046A (en) * 1979-09-06 1981-04-14 Eitel Frederick G Lightweight protective structure
DE3011158A1 (de) * 1980-03-22 1981-10-01 Gebr. Happich Gmbh, 5600 Wuppertal Sonnenblende, insbesondere fuer fahrzeuge
US4480715A (en) * 1981-03-30 1984-11-06 Brooks George E Sight and sound barrier
US4734306A (en) * 1986-06-26 1988-03-29 Burlington Industries, Inc. Cold weather garment with skin foam and method of making same

Also Published As

Publication number Publication date
EP0246462A2 (fr) 1987-11-25
DE3617088C2 (fr) 1988-09-22
DE3617088A1 (de) 1987-11-26
ES2013614B3 (es) 1990-05-16
ATE50905T1 (de) 1990-03-15
DE3761869D1 (de) 1990-04-19
EP0246462A3 (en) 1988-05-04
US4842913A (en) 1989-06-27

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