JPS50142800A - - Google Patents

Info

Publication number
JPS50142800A
JPS50142800A JP50043868A JP4386875A JPS50142800A JP S50142800 A JPS50142800 A JP S50142800A JP 50043868 A JP50043868 A JP 50043868A JP 4386875 A JP4386875 A JP 4386875A JP S50142800 A JPS50142800 A JP S50142800A
Authority
JP
Japan
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.)
Granted
Application number
JP50043868A
Other languages
Japanese (ja)
Other versions
JPS5318600B2 (https=
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 filed Critical
Publication of JPS50142800A publication Critical patent/JPS50142800A/ja
Publication of JPS5318600B2 publication Critical patent/JPS5318600B2/ja
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05—Use of one or more blowing agents together
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/14—Plastic and nonmetallic article shaping or treating: processes forming integral skin on a foamed product
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/16—Molding foamed polypropylen articles
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/17—Molding a foam containing a filler
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/908—Nucleating agent for cellular product

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP4386875A 1974-04-11 1975-04-10 Expired JPS5318600B2 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16198/74A GB1482216A (en) 1974-04-11 1974-04-11 Cigarette filters

Publications (2)

Publication Number Publication Date
JPS50142800A true JPS50142800A (https=) 1975-11-17
JPS5318600B2 JPS5318600B2 (https=) 1978-06-15

Family

ID=10072943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4386875A Expired JPS5318600B2 (https=) 1974-04-11 1975-04-10

Country Status (8)

Country Link
US (1) US4054550A (https=)
JP (1) JPS5318600B2 (https=)
AU (1) AU498832B2 (https=)
CA (1) CA1022421A (https=)
DE (1) DE2515136C3 (https=)
FR (1) FR2267056B1 (https=)
GB (1) GB1482216A (https=)
IT (1) IT1035240B (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters
US4180536A (en) * 1978-03-13 1979-12-25 Celanese Corporation Process for extruding plasticized open cell foamed cellulose acetate filters
JPS57197132A (en) * 1981-05-29 1982-12-03 Sumitomo Chem Co Ltd Manufacture of polypropylene foam
US4507256A (en) * 1983-05-26 1985-03-26 Eastman Kodak Company Process for foaming cellulose acetate rod
US4576769A (en) * 1984-03-29 1986-03-18 Celanese Corporation Process for extruding and sizing foamed thermoplastic cigarette filter rods
IT1189495B (it) * 1986-05-09 1988-02-04 S P T Srl Fibre sintetice a voluminosita' aumentata,procedimento per produrle e loro uso in particolare per filtri
US4961415A (en) * 1987-01-16 1990-10-09 Kimberly-Clark Corporation Controlled draft and efficiency filter element for smoking articles
GB8712617D0 (en) * 1987-05-28 1987-07-01 British American Tobacco Co Tobacco smoke filters
US4903714A (en) * 1987-08-25 1990-02-27 R. J. Reynolds Tobacco Company Smoking article with improved mouthend piece
US5286428A (en) * 1987-10-16 1994-02-15 Sekisui Kaseihin Kogyo Kabushiki Kaisha Polypropylene resin foamed sheet for thermoforming and process for producing the same
US5348795A (en) * 1992-12-09 1994-09-20 The Dow Chemical Company Process for making a dimensionally-stable open-cell polypropylene foam with organic blowing agents
US5538019A (en) * 1993-11-03 1996-07-23 Schweitzer-Mauduit International, Inc. Spunbond cigarette filter
US6395795B1 (en) 2000-09-29 2002-05-28 Ausimont Usa, Inc. Titanium dioxide nucleating agent systems for foamable polymer compositions
DE10145968B4 (de) * 2001-09-18 2004-04-15 Sartorius Ag Filtrationsmembran
US6863074B2 (en) * 2002-08-30 2005-03-08 Philip Morris Usa Inc. Cigarette filters comprising unfunctionalized porous polyaromatic resins for removing gas phase constituents from mainstream tobacco smoke
RU2235488C1 (ru) * 2003-11-03 2004-09-10 Государственное Научное Учреждение "Институт Механики Металлополимерных Систем Им. В.А. Белого Нан Беларуси" Фильтр для сигарет
WO2015035220A1 (en) 2013-09-05 2015-03-12 Lorillard Tobacco Company Filter components, filters, smoking articles, and related methods, all for the controlled delivery of aerosols

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU38122A1 (https=) * 1959-01-06
US3188295A (en) * 1962-06-27 1965-06-08 Dow Chemical Co Method of foaming a thermoplastic organic polymer containing a nucleating agent and an organic bromide
US3281513A (en) * 1962-12-07 1966-10-25 Tecalemit Engineering Method of manufacturing a fluid filter
US3358695A (en) * 1962-12-18 1967-12-19 Du Pont Foams
US3310617A (en) * 1963-06-19 1967-03-21 Shell Oil Co Process for preparing uniform melt dispersion of blowing agent and polymer and its use in making foamed products
GB1050711A (https=) * 1963-10-04 1900-01-01
NL142442B (nl) * 1964-03-31 1974-06-17 Shell Int Research Werkwijze voor de vervaardiging van voorwerpen van polymeerschuim.
GB1182646A (en) * 1964-07-17 1970-02-25 Monsanto Chemicals Production of Foamed Products
DE1694899A1 (de) * 1965-12-09 1971-04-01 Salamander Chem Aktivatoren zur drucklosen Verschaeumung von Polyolefinen und der Mischpolymerisaten
DE1794360A1 (de) * 1966-09-30 1973-05-03 Hayer Dieter Dipl Chem Dr Aktivatoren zur drucklosen verschaeumung von polyolefinen und deren mischpolymerisaten
GB1148119A (en) * 1966-12-09 1969-04-10 Monsanto Chemicals Production of foamed resins
GB1218438A (en) * 1968-02-23 1971-01-06 Japan Styrene Paper Corp Improvements in or relating to the manufacture of foamed articles of thermoplastic materials
GB1221488A (en) * 1968-07-11 1971-02-03 Monsanto Chemicals Yarn production process
GB1271274A (en) * 1969-03-25 1972-04-19 Monsanto Chemicals Filtering element
US3610509A (en) * 1969-05-27 1971-10-05 Thomas W Winstead Skin-coated article formed of foamed thermoplastic material
US3861404A (en) * 1970-03-23 1975-01-21 Monsanto Chemicals Tobacco smoke filter
US3755208A (en) * 1970-10-23 1973-08-28 Haskon Inc Avoidance of cell collapse in an extrusion process for a copolymer based on a low molecular weight {60 -olefin and polar vinyl monomer
US3939849A (en) * 1970-11-18 1976-02-24 Monsanto Chemicals Limited Filter elements
AT315709B (de) * 1970-11-18 1974-06-10 Monsanto Chemicals Filterelemente
GB1341400A (en) * 1971-04-16 1973-12-19 Monsanto Chemicals Cigarette filters
JPS4848562A (https=) * 1971-10-23 1973-07-10
US3785919A (en) * 1971-11-09 1974-01-15 Du Pont Composite filament with elastomeric core and microapertured polypropylene foam sheath and process therefor
US3939237A (en) * 1971-11-19 1976-02-17 Asahi Dow, Ltd. Method of making a fluid transmitting porous tube or sheet
BE789774A (fr) * 1972-02-18 1973-02-01 Sinclair Koppers Co Procede et appareil pour la fabrication de profiles en mousse
JPS4936770A (https=) * 1972-08-11 1974-04-05

Also Published As

Publication number Publication date
IT1035240B (it) 1979-10-20
DE2515136C3 (de) 1981-09-10
DE2515136B2 (de) 1980-10-16
DE2515136A1 (de) 1975-12-18
AU498832B2 (en) 1979-03-29
GB1482216A (en) 1977-08-10
CA1022421A (en) 1977-12-13
FR2267056A1 (https=) 1975-11-07
FR2267056B1 (https=) 1977-04-15
US4054550A (en) 1977-10-18
JPS5318600B2 (https=) 1978-06-15
AU7990775A (en) 1976-10-14

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