ZA732630B - Improvements in or relating to filter material - Google Patents

Improvements in or relating to filter material

Info

Publication number
ZA732630B
ZA732630B ZA732630A ZA732630A ZA732630B ZA 732630 B ZA732630 B ZA 732630B ZA 732630 A ZA732630 A ZA 732630A ZA 732630 A ZA732630 A ZA 732630A ZA 732630 B ZA732630 B ZA 732630B
Authority
ZA
South Africa
Prior art keywords
relating
filter material
filter
Prior art date
Application number
ZA732630A
Inventor
M Hill
Original Assignee
British Ropes Ltd
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 British Ropes Ltd filed Critical British Ropes Ltd
Publication of ZA732630B publication Critical patent/ZA732630B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D04H13/02—Production of non-woven fabrics by partial defibrillation of oriented thermoplastics films
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
    • D01D5/423—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by fibrillation of films or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43838—Ultrafine fibres, e.g. microfibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • 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
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0237—Pricking

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
ZA732630A 1972-04-20 1973-04-17 Improvements in or relating to filter material ZA732630B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1845772A GB1442593A (en) 1972-04-20 1972-04-20 Filter material

Publications (1)

Publication Number Publication Date
ZA732630B true ZA732630B (en) 1974-03-27

Family

ID=10112766

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA732630A ZA732630B (en) 1972-04-20 1973-04-17 Improvements in or relating to filter material

Country Status (13)

Country Link
US (1) US3880173A (en)
BE (1) BE798515A (en)
BR (1) BR7302890D0 (en)
CA (1) CA1006783A (en)
CH (1) CH577841A5 (en)
DE (1) DE2319735C2 (en)
DK (1) DK150961C (en)
FI (1) FI56928C (en)
GB (1) GB1442593A (en)
HK (1) HK26579A (en)
MY (1) MY7900195A (en)
NL (1) NL179020C (en)
ZA (1) ZA732630B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298281A2 (en) * 1972-04-26 1976-08-20 Rothmans Of Pall Mall Cigarette filter with improved tar and nicotine retention
DE3129385A1 (en) * 1980-08-15 1982-06-03 Kennecott Engineered Systems Co., 44122 Cleveland, Ohio PRECISION REEL FILTER
GB8308020D0 (en) * 1982-03-31 1983-04-27 Filtrona Ltd Tobacco smoke filter
US4798570A (en) * 1982-12-09 1989-01-17 Hercules Incorporated Process for preparing filter rods
CS237872B1 (en) * 1983-06-09 1985-11-13 Rudolf Simo Cigarette filtration stick filling and method of this filling making
US4800903A (en) * 1985-05-24 1989-01-31 Ray Jon P Nicotine dispenser with polymeric reservoir of nicotine
DE3688791T2 (en) 1985-11-01 1994-02-24 Showa Denko Kk WATER ABSORBING MATERIAL AND THEIR PRODUCTION.
US4961415A (en) * 1987-01-16 1990-10-09 Kimberly-Clark Corporation Controlled draft and efficiency filter element for smoking articles
US4903714A (en) * 1987-08-25 1990-02-27 R. J. Reynolds Tobacco Company Smoking article with improved mouthend piece
US4925602A (en) * 1988-08-10 1990-05-15 Filter Materials Limited Method for improving the crimping of polyolefin filter tow
ZA896002B (en) * 1988-08-10 1991-01-30 Philip Morris Prod Pinned rollers and processes for manufacturing fibrillated films
US5025815A (en) * 1988-08-10 1991-06-25 Filter Materials Limited Polyolefin filter tow and method of making it
US5020198A (en) * 1988-08-10 1991-06-04 Filter Materials Ltd. Crimped textile fibers and stuffer box apparatus and methods for crimping textile fibers
US5104367A (en) * 1988-08-10 1992-04-14 Filter Materials Limited Pinned rollers and process for manufacturing fibrillated film
US5269329A (en) * 1990-07-09 1993-12-14 Kimberly-Clark Corporation Method of producing tobacco flavored cigarette filter
TW241198B (en) * 1993-09-06 1995-02-21 Daicel Chem A tobacco filter material and a method of producing the same
US5538019A (en) * 1993-11-03 1996-07-23 Schweitzer-Mauduit International, Inc. Spunbond cigarette filter
US5817159A (en) * 1996-12-31 1998-10-06 Cahill; Scott A. Filter with interpenetrating polymer network that biodegrades
US7095653B2 (en) * 2003-10-08 2006-08-22 Micron Technology, Inc. Common wordline flash array architecture
US20060276088A1 (en) * 2005-06-01 2006-12-07 Polymer Group, Inc. Profiled Structural Concrete Fiber Material And Building Products Including Same, And Methods
US8893725B2 (en) 2011-01-28 2014-11-25 R. J. Reynolds Tobacco Company Polymeric materials derived from tobacco
DE102017005427B4 (en) * 2017-05-31 2020-03-05 Askin Buyar Cigarette with brightener

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847086A (en) * 1953-08-04 1958-08-12 Muller Paul Adolf Filtering material
US2966157A (en) * 1957-06-07 1960-12-27 Eastman Kodak Co Polyolefin tobacco smoke filters
US3012302A (en) * 1958-01-03 1961-12-12 Lorillard Co P Tobacco smoke filter manufacture
US3290207A (en) * 1962-08-22 1966-12-06 Du Pont Fibrillated fiber
US3336174A (en) * 1965-04-06 1967-08-15 Eastman Kodak Co Method of making a fibrous filter product
US3393120A (en) * 1965-09-22 1968-07-16 Eastman Kodak Co Polyolefin tow for cigarette filters
US3302501A (en) * 1965-09-24 1967-02-07 Phillips Petroleum Co Method of fibrillating plastic film by passing the film through rotating piercing means
DE1560800A1 (en) * 1966-02-10 1971-01-07 Lutravil Spinnvlies Method and device for the production of mixed nonwovens by melt spinning
DE1632182A1 (en) * 1966-02-24 1970-11-12 Chisso Corp Filters for tobacco smoke
NL134100C (en) * 1966-03-31 1900-01-01

Also Published As

Publication number Publication date
FI56928B (en) 1980-01-31
NL7305453A (en) 1973-10-23
NL179020C (en) 1986-07-01
BE798515A (en) 1973-08-16
DE2319735A1 (en) 1973-10-25
US3880173A (en) 1975-04-29
CH577841A5 (en) 1976-07-30
FI56928C (en) 1980-05-12
MY7900195A (en) 1979-12-31
DE2319735C2 (en) 1985-02-14
HK26579A (en) 1979-05-04
NL179020B (en) 1986-02-03
AU5458073A (en) 1974-10-17
CA1006783A (en) 1977-03-15
DK150961C (en) 1988-09-05
GB1442593A (en) 1976-07-14
BR7302890D0 (en) 1974-01-08
DK150961B (en) 1987-10-05

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