FI88319B - Spaerrprodukter - Google Patents
Spaerrprodukter Download PDFInfo
- Publication number
- FI88319B FI88319B FI892453A FI892453A FI88319B FI 88319 B FI88319 B FI 88319B FI 892453 A FI892453 A FI 892453A FI 892453 A FI892453 A FI 892453A FI 88319 B FI88319 B FI 88319B
- Authority
- FI
- Finland
- Prior art keywords
- pore
- pores
- air
- barrier material
- permeable barrier
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H3/00—Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine and by applying substances to finished paper or cardboard (on the paper-making machine), also when the intention is to impregnate at least a part of the paper body
- D21H3/82—Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine and by applying substances to finished paper or cardboard (on the paper-making machine), also when the intention is to impregnate at least a part of the paper body by adding insoluble coloured substances, e.g. powders, fibres, pieces of metal, for obtaining different colours in the paper fancy papers; substances characterised by their physical appearance, e.g. form, rather than by their chemical constitution
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/0005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating
- D21H5/0012—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by bringing paper into contact with an excess of fluids, the paper carrying away only a part of the fluid material, e.g. by passing through liquids, gases or vapours
- D21H5/0015—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by bringing paper into contact with an excess of fluids, the paper carrying away only a part of the fluid material, e.g. by passing through liquids, gases or vapours only one side of the paper being in contact with the treating medium, e.g. paper carried by support
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/908—Impression retention layer, e.g. print matrix, sound record
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31993—Of paper
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Gloves (AREA)
- Wrappers (AREA)
- Filtering Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Luminescent Compositions (AREA)
- Artificial Filaments (AREA)
- Radar Systems Or Details Thereof (AREA)
- Medicinal Preparation (AREA)
- Valve Device For Special Equipments (AREA)
- Glass Compositions (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Claims (16)
1. Luftgenomträngligt barriärmaterial, som bestär av ett poröst ämne med olika porstorlekar, kännetecknat av att ett pormodifieringsämne är selektivt inlagt i de största av porerna, varvid nämnda porer utgör en liten del av den totala pormängden, och nämnda modifieringsämne är sädant, att det i porerna ästadkommer zoner med höga ytomräden och begränsar genomträngandet av i luften befintliga partiklar genom nämnda porer.
2. Luftgenomträngligt barriärmaterial enligt patentkravet 1, kännetecknat av att pormodifieringsämnet innehäl-ler partiklar av väsentligen enhetlig storlek sä, att ätmins-tone 90 % av nämnda partiklar faller inom ett trefaldigt stor-leksomräde.
3. Luftgenomträngligt barriärmaterial enligt patentkravet 1 eller 2, kännetecknat av att pormodifieringsämnet bestär av partiklar, vars genomsnittsstorlek är mindre än 1/3 av porernas maximistorlek.
4. Luftgenomträngligt barriärmaterial enligt nägot av de föregäende patentkraven, kännetecknat av att vik-ten av pormodif ieringsämnet är mindre än 1 % av vikten hos nämnda porösa material.
5. Luftgenomträngligt barriärmaterial enligt nägot av de föregäende patentkraven, kännetecknat av att bar-riärmaterialet är papper.
6. Luftgenomträngligt barriärmaterial enligt nägot av de föregäende patentkraven, kännetecknat av att det porösa ämnet bestär väsentligen av fibrer.
7. Luftgenomträngligt barriärmaterial enligt nägot av de föregäende patentkraven, kännetecknat av att pormodif ieringsämnet är valt bland krita, lera, glas, cellulosa och alkyletendimer. i 21 ö861 >
8. Luftgenomträngligt barriärmaterial enligt nägot av de föregäende patentkraven, kännetecknat av att nämn-da mindre del av porerna, som innehäller pormodifieringsämnet, bestär av transportporer.
9. Luftgenomträngligt barriärmaterial enligt nägot av de föregäende patentkraven, kännetecknat av att dis-positionen av pormodifieringsämnet i porerna är sädan, att den inte päverkar porernas maximala storlek.
10. Luftgenomträngligt barriärmaterial enligt nägot av patentkraven 1-8, kännetecknat av att pormodifie-ringsämnet är beläget i sammanpressningar av nämnda porer sä, att det bildar Stora zoner av ytareal i sammanpressningarna och invid dem.
11. Förpackning bestäende av en medicinsk eller kirurgisk produkt, som inneslutits i en förpackning, som innehäller ett luftgenomträngligt barriärmaterial enligt nägot av de föregäende patentkraven.
12. Förfarande för förbättring av barriäreffektiviteten hos ett luftgenomträngligt material med olika porstorlekar, kännetecknat av att en tryckskillnad enligt förfa-randet ästadkommes över materialet och den för det större trycket utsatta sidan av materialet behandlas med en suspension, dispersion eller aerosol av ett pormodifieringsämne under sädana förhällanden, att pormodifieringsämnet selektivt införs i de största av porerna (som utgör en liten del av den totala pormängden), pä vilket sätt zoner av hög ytareal ästadkommes i porerna sä, att trängning därigenom av i luften be-fintliga partiklar genom porerna begränsas.
13. Förfarande enligt patentkravet 12, kännetecknat av att pormodifieringsämne innehällande aerosol används ·;· i förfarandet.
14. Förfarande enligt patentkravet 12 eller 13, k ä n n e - 22 t e c k n a t av att behandlingen av materialet genomförs i förhällanden av läg eller medelhög inertia. 98319
15. Förfarande enligt nägot av patentkraven 12 - 14, k ä n -netecknat av att bindemedel används för att hälla pormodifieringsämnet i det porösa materialet.
16. Förfarande enligt nägot av patentkraven 12 - 15, k ä n -netecknat av att det kan användas för framställning av ett luftgenomträngligt barriärmaterial enligt nägot av patentkraven 1-10.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8628008A GB8628008D0 (en) | 1986-11-22 | 1986-11-22 | Barrier products |
GB8628008 | 1986-11-22 | ||
PCT/GB1987/000833 WO1988003972A1 (en) | 1986-11-22 | 1987-11-20 | Barrier products |
GB8700833 | 1987-11-20 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI892453A FI892453A (fi) | 1989-05-19 |
FI892453A0 FI892453A0 (fi) | 1989-05-19 |
FI88319B true FI88319B (fi) | 1993-01-15 |
FI88319C FI88319C (sv) | 1993-04-26 |
Family
ID=10607815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI892453A FI88319C (sv) | 1986-11-22 | 1989-05-19 | Spärrprodukter |
Country Status (20)
Country | Link |
---|---|
US (1) | US5004645A (sv) |
EP (1) | EP0272798B1 (sv) |
JP (1) | JP2929440B2 (sv) |
KR (1) | KR950004726B1 (sv) |
AT (1) | ATE89880T1 (sv) |
AU (1) | AU596477B2 (sv) |
BR (1) | BR8707889A (sv) |
CA (1) | CA1309852C (sv) |
DE (1) | DE3786006T2 (sv) |
DK (1) | DK170865B1 (sv) |
ES (1) | ES2041695T3 (sv) |
FI (1) | FI88319C (sv) |
GB (3) | GB8628008D0 (sv) |
HU (1) | HU206139B (sv) |
IE (1) | IE61618B1 (sv) |
MX (1) | MX169305B (sv) |
NZ (1) | NZ222641A (sv) |
PT (1) | PT86199B (sv) |
WO (1) | WO1988003972A1 (sv) |
ZA (1) | ZA878721B (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8628008D0 (en) * | 1986-11-22 | 1986-12-31 | Univ Manchester | Barrier products |
GB8927636D0 (en) * | 1989-12-06 | 1990-02-07 | Purification Prod | Improvements in the production of particulate solid-bearing air-permeable sheet materials |
GB9200683D0 (en) * | 1992-01-14 | 1992-03-11 | Univ Manchester | Improvements relating to materials |
GB9211378D0 (en) * | 1992-05-29 | 1992-07-15 | Univ Manchester | Improvements relating to materials |
KR100235425B1 (ko) * | 1992-05-29 | 1999-12-15 | 이.아이 듀우판드네모아앤드캄파니 | 보호용 가먼트를 위한 화학물질 차단 복합 직물 |
GB9311946D0 (en) * | 1993-06-10 | 1993-07-28 | Univ Manchester | Improvements in or relating to materials |
US6406674B1 (en) | 1993-06-30 | 2002-06-18 | Kimberly-Clark Worldwide, Inc. | Single step sterilization wrap system |
CA2111071E (en) * | 1993-06-30 | 2011-08-23 | Sonya Nicholson Bourne | Single step sterilization wrap system |
EP0665054A1 (de) * | 1994-01-27 | 1995-08-02 | SECURETEC GmbH | Adsorbermaterial zur Anreicherung und Gewinnung von Spurenstoffen aus der Gasphase |
CA2294454A1 (en) | 1997-06-30 | 1999-01-07 | Ganesh C. Deka | Medical packaging paper |
US7125490B2 (en) | 2003-05-29 | 2006-10-24 | Porex Corporation | Porous filter |
US7922983B2 (en) | 2005-07-28 | 2011-04-12 | Kimberly-Clark Worldwide, Inc. | Sterilization wrap with additional strength sheet |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL112666C (sv) * | 1956-02-29 | |||
NL287283A (sv) * | 1961-03-27 | |||
GB1004447A (en) * | 1963-07-01 | 1965-09-15 | Tetra Pak Ab | A method of forming a liquid-proof cut edge and its adjacent portion in a porous sheet material |
US3591010A (en) * | 1968-06-10 | 1971-07-06 | Pall Corp | Filter having a microporous layer attached thereto |
US4046939A (en) * | 1970-05-04 | 1977-09-06 | Her Majesty The Queen In Right Of Canada | Gas resistant foam materials |
US4084949A (en) * | 1975-11-06 | 1978-04-18 | The Dexter Corporation | Surgical face mask filtering medium |
US4099943A (en) * | 1976-10-18 | 1978-07-11 | Tenneco Chemicals, Inc. | Composite fluid filtering medium and method of making |
US4227899A (en) * | 1978-09-06 | 1980-10-14 | Meny Allan H | Absolute fluid filter |
JPS5625182A (en) * | 1979-08-07 | 1981-03-10 | Yoshitomi Pharmaceut Ind Ltd | Tetracyclic compound and its salt |
SE436693B (sv) * | 1981-06-04 | 1985-01-21 | Bofors Ab | Sett att framstella ett regenererbart filter for gas- eller vetskeseparation |
US4522843A (en) * | 1984-01-25 | 1985-06-11 | Kundrot Robert A | Deacidification of library materials |
DE3515025A1 (de) * | 1985-04-25 | 1986-10-30 | Altenburger Electronic Gmbh, 7633 Seelbach | Verfahren zur herstellung eines filters mit poren von vorbestimmter und etwa gleicher mikrogroesse sowie nach diesem verfahren hergestelltes filter |
GB8628008D0 (en) * | 1986-11-22 | 1986-12-31 | Univ Manchester | Barrier products |
-
1986
- 1986-11-22 GB GB8628008A patent/GB8628008D0/en active Pending
-
1987
- 1987-07-16 GB GB8716835A patent/GB8716835D0/en active Pending
- 1987-11-20 IE IE313487A patent/IE61618B1/en not_active IP Right Cessation
- 1987-11-20 WO PCT/GB1987/000833 patent/WO1988003972A1/en active IP Right Grant
- 1987-11-20 BR BR8707889A patent/BR8707889A/pt not_active IP Right Cessation
- 1987-11-20 KR KR1019880700867A patent/KR950004726B1/ko not_active IP Right Cessation
- 1987-11-20 JP JP50699987A patent/JP2929440B2/ja not_active Expired - Fee Related
- 1987-11-20 CA CA 552332 patent/CA1309852C/en not_active Expired - Lifetime
- 1987-11-20 ES ES87310274T patent/ES2041695T3/es not_active Expired - Lifetime
- 1987-11-20 AU AU82758/87A patent/AU596477B2/en not_active Ceased
- 1987-11-20 HU HU876058A patent/HU206139B/hu not_active IP Right Cessation
- 1987-11-20 AT AT87310274T patent/ATE89880T1/de not_active IP Right Cessation
- 1987-11-20 EP EP19870310274 patent/EP0272798B1/en not_active Expired - Lifetime
- 1987-11-20 ZA ZA878721A patent/ZA878721B/xx unknown
- 1987-11-20 DE DE87310274T patent/DE3786006T2/de not_active Expired - Fee Related
- 1987-11-20 GB GB8911512A patent/GB2229110B/en not_active Expired - Fee Related
- 1987-11-20 US US07/381,675 patent/US5004645A/en not_active Expired - Lifetime
- 1987-11-23 PT PT86199A patent/PT86199B/pt not_active IP Right Cessation
- 1987-11-23 NZ NZ222641A patent/NZ222641A/en unknown
- 1987-11-23 MX MX009440A patent/MX169305B/es unknown
-
1988
- 1988-07-21 DK DK407388A patent/DK170865B1/da not_active IP Right Cessation
-
1989
- 1989-05-19 FI FI892453A patent/FI88319C/sv not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
GB | Transfer or assigment of application |
Owner name: REXAM MEDICAL PACKAGING LIMITED |
|
PC | Transfer of assignment of patent |
Owner name: REXAM MEDICAL PACKAGING LIMITED |
|
FG | Patent granted |
Owner name: REXAM MEDICAL PACKAGING LIMITED |
|
MA | Patent expired |