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WO2001041594A1 - Procede permettant d'etancheifier des coutures - Google Patents

Procede permettant d'etancheifier des coutures Download PDF

Info

Publication number
WO2001041594A1
WO2001041594A1 PCT/CH2000/000652 CH0000652W WO0141594A1 WO 2001041594 A1 WO2001041594 A1 WO 2001041594A1 CH 0000652 W CH0000652 W CH 0000652W WO 0141594 A1 WO0141594 A1 WO 0141594A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
seam
tape
seams
bar
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.)
Ceased
Application number
PCT/CH2000/000652
Other languages
German (de)
English (en)
Inventor
Gertrud Erhardt
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.)
PFEIFFER TEXTILE GmbH
Original Assignee
PFEIFFER TEXTILE GmbH
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 PFEIFFER TEXTILE GmbH filed Critical PFEIFFER TEXTILE GmbH
Priority to AU16854/01A priority Critical patent/AU1685401A/en
Priority to EP00979308A priority patent/EP1235490A1/fr
Publication of WO2001041594A1 publication Critical patent/WO2001041594A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/24—Hems; Seams

Definitions

  • the present invention relates to a method for sealing assembly seams between those to be connected
  • Cloth edges in patient drapes and surgical clothing in particular those made from a trilaminate with a microporous membrane embedded between a textile upper and a lower layer, by means of a seam sealing tape.
  • This material is light and has a high flexibility and good drapability.
  • the cover layers are made of special crepe material with a stretch effect, which effect is kept smaller than the stretchability of the membrane. This prevents the membrane from overstretching. This stretch gives the material a buffer effect, whereby the physical forces are cushioned, especially in the preparation.
  • the material is liquid-tight even under high pressure loads and forms a safe barrier against the penetration of bacteria and viruses.
  • the membrane does not represent an obstacle for water vapor molecules
  • this trilaminate offers increased product safety, since possible perforations or mechanical damage preparation become visible on the light table and can therefore also be repaired with patches.
  • Another textile barrier material for patient cover and surgical clothing is a microfiber fabric which, due to the very high fabric density, represents an effective dry germ barrier, and the carbon fibers used ensure permanent antistatic properties.
  • a slightly heavier tri-laminate is preferably used, while trilaminate shields the immediate area surrounding the surgical procedure.
  • the material made of microfibers is used in the peripheral areas wherever there is no more fluid.
  • the jacket front and sleeves are made of trilaminate.
  • the backing material consists of the breathable, antistatic microfiber fabric.
  • the materials described above are suitable for a variety of reprocessing cycles (washing and sterilizing), e.g. at least 50 cycles without losing the basic properties.
  • the object of the present invention was to create a method of the type defined at the outset which allows the sealing of ready-made seams which are intended to ensure the same properties as the wipes themselves. This object was achieved according to the invention by the features according to the characterizing part of claim 1.
  • the invention also relates to patient drapes and surgical clothing produced by the method of claim 1.
  • the seam sealed according to the invention like the cloth itself, has no germ penetration in the moist state, and likewise no penetration for viruses and bacteria. In the case of invisible penetrations, there is no bacterial / viral penetration.
  • the sealing tape used will preferably be 25 or 28 mm wide and consists of a 100% charmeuse special fabric.
  • An adhesive based on polyurethane (preferably transparent) is used for gluing or welding onto the seam and is used, for example, in an amount of 350-380 g / m2.
  • Processing on a hot air welding machine is preferably carried out at 520 ° C - 530 ° C under a hot air pressure of 0.55 - 0.6 bar between welding rollers (pressing pressure e.g. 5 - 6 bar).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Details Of Garments (AREA)

Abstract

Les coutures de champs opératoires ou de draps de couverture de patients sont couvertes et étanchéifiées à l'aide d'une bande d'étanchéification de couture. Ladite bande est soudée sur la face arrière du tissu à l'aide d'une colle de polyuréthanne. A cet effet, on utilise un appareil de soudure à air chaud à des températures de l'ordre de 400 DEG C à 600 DEG C, de préférence de 520 DEG C à 530 DEG C, et à une pression de 4 à 8 bars, de préférence de 5 à 6 bars.
PCT/CH2000/000652 1999-12-09 2000-12-08 Procede permettant d'etancheifier des coutures Ceased WO2001041594A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU16854/01A AU1685401A (en) 1999-12-09 2000-12-08 Method for sealing the sewn seams of garments
EP00979308A EP1235490A1 (fr) 1999-12-09 2000-12-08 Procede permettant d'etancheifier des coutures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH226699 1999-12-09
CH2266/99 1999-12-09

Publications (1)

Publication Number Publication Date
WO2001041594A1 true WO2001041594A1 (fr) 2001-06-14

Family

ID=4229754

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2000/000652 Ceased WO2001041594A1 (fr) 1999-12-09 2000-12-08 Procede permettant d'etancheifier des coutures

Country Status (3)

Country Link
EP (1) EP1235490A1 (fr)
AU (1) AU1685401A (fr)
WO (1) WO2001041594A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504978A (en) * 1983-04-29 1985-03-19 Gregory Jr Paul E Disposable surgical gown sleeve
US5003902A (en) * 1989-10-13 1991-04-02 Superior Surgical Manufacturing Co. Inc. Seam having liquid proof threads stichably securing first and second liquid proof materials foldably enclosing a meltable adhesive polymer film and method of manufacture of same
US5162149A (en) * 1990-05-15 1992-11-10 W. L. Gore & Associates, Inc. Non-blocking seam tape
EP0639337A1 (fr) * 1993-07-29 1995-02-22 W.L. GORE & ASSOCIATES GmbH Vêtement avec protection
FR2738997A1 (fr) * 1995-09-26 1997-03-28 Aerazur Procede d'assemblage de pieces de tissu etanches et resistantes au feu et combinaision realisee par ce procede

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504978A (en) * 1983-04-29 1985-03-19 Gregory Jr Paul E Disposable surgical gown sleeve
US5003902A (en) * 1989-10-13 1991-04-02 Superior Surgical Manufacturing Co. Inc. Seam having liquid proof threads stichably securing first and second liquid proof materials foldably enclosing a meltable adhesive polymer film and method of manufacture of same
US5162149A (en) * 1990-05-15 1992-11-10 W. L. Gore & Associates, Inc. Non-blocking seam tape
EP0639337A1 (fr) * 1993-07-29 1995-02-22 W.L. GORE & ASSOCIATES GmbH Vêtement avec protection
FR2738997A1 (fr) * 1995-09-26 1997-03-28 Aerazur Procede d'assemblage de pieces de tissu etanches et resistantes au feu et combinaision realisee par ce procede

Also Published As

Publication number Publication date
AU1685401A (en) 2001-06-18
EP1235490A1 (fr) 2002-09-04

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