GB1276933A - Method of making filtering material for tobacco products - Google Patents

Method of making filtering material for tobacco products

Info

Publication number
GB1276933A
GB1276933A GB09618/70A GB1961870A GB1276933A GB 1276933 A GB1276933 A GB 1276933A GB 09618/70 A GB09618/70 A GB 09618/70A GB 1961870 A GB1961870 A GB 1961870A GB 1276933 A GB1276933 A GB 1276933A
Authority
GB
United Kingdom
Prior art keywords
impregnant
web
cording
filter
water
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
Application number
GB09618/70A
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.)
Celfil Co
Original Assignee
Celfil Co
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
Priority claimed from CH659069A external-priority patent/CH494584A/en
Application filed by Celfil Co filed Critical Celfil Co
Publication of GB1276933A publication Critical patent/GB1276933A/en
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 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1016—Transverse corrugating

Landscapes

  • Paper (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

1276933 Tobacco-smoke filters CELFIL CO ETAB 23 April 1970 [30 April 1969 24 March 1970] 19618/70 Heading A2C [Also in Divisions D1 and D2] A filter cord is made by passing a fibrecontaining web, e.g. of paper, through at least one nip between two rotating rolls, e.g. 8, 9, 10, with close intermeshing annular ribs which do not, however, contact each other, wherein, prior to its entry to the nip, the web is impregnated with an impregnant having a boiling point less than that of water, and a heat of evaporation less than 250 Kcal./Kg., freeing the web from impregnant, and cording the crimped web in a cording machine 41-49. The web may be freed of impregnant by evaporation, or by suction as at 15. Wrapper 47 is supplied to surround the filter, and the finished cord may be cut into filter rods. The impregnant may be a pure liquid or a solution. The solutions may contain dissolved substances, e.g. cellulose esters, cellulose nitrate, hydroysed cellulose, polyhydric alcohols, monovalent hydroxycarboxylic acids, monovalent carboxylic acids, and flavouring substances, e.g. hydroxy-substituted polycarboxylic acids, which remain in the material after removal of the solvent. A similar solution may also be applied prior to applying impregnant. The width of the paper web before cording can be adjusted by varying the amount of water in an impregnant/ water mixture.
GB09618/70A 1969-04-30 1970-04-23 Method of making filtering material for tobacco products Expired GB1276933A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH659069A CH494584A (en) 1969-04-30 1969-04-30 Method for treating endless webs of fibrous material for the purpose of producing a filter rod
CH439570A CH521156A (en) 1969-04-30 1970-03-24 Process for the treatment of endless webs of fibrous material for the purpose of producing a filter rod

Publications (1)

Publication Number Publication Date
GB1276933A true GB1276933A (en) 1972-06-07

Family

ID=25695345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB09618/70A Expired GB1276933A (en) 1969-04-30 1970-04-23 Method of making filtering material for tobacco products

Country Status (15)

Country Link
US (1) US3621764A (en)
JP (1) JPS4924237B1 (en)
BE (1) BE749738A (en)
CH (1) CH521156A (en)
DE (1) DE2020115B2 (en)
ES (1) ES378870A1 (en)
FI (1) FI49471C (en)
FR (1) FR2041222A1 (en)
GB (1) GB1276933A (en)
IL (1) IL34341A (en)
NL (1) NL7006199A (en)
NO (1) NO128303B (en)
RO (1) RO56263A (en)
SE (1) SE359726B (en)
SU (1) SU458964A3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018192844A1 (en) * 2017-04-18 2018-10-25 Philip Morris Products S.A. Apparatus and method for the production of sheet like tobacco material
WO2018215467A1 (en) * 2017-05-22 2018-11-29 Philip Morris Products S.A. A method and an apparatus for manufacturing a crimped sheet of material
WO2019158333A1 (en) 2018-02-14 2019-08-22 Philip Morris Products S.A. Apparatus for crimping a sheet of material

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930935A (en) * 1971-05-13 1976-01-06 Celfil Company Establishment Apparatus for making webs of filtering material for tobacco product filters, particularly cigarette filters
US3831501A (en) * 1973-07-16 1974-08-27 Eastman Kodak Co Sheet plicating device
US5616394A (en) * 1988-05-13 1997-04-01 Minnesota Mining And Manufacturing Company Sheet of loop material, and garments having such loop material incorporated therein
US5254194A (en) * 1988-05-13 1993-10-19 Minnesota Mining And Manufacturing Company Coated abrasive sheet material with loop material for attachment incorporated therein
US5256231A (en) * 1988-05-13 1993-10-26 Minnesota Mining And Manufacturing Company Method for making a sheet of loop material
US5643397A (en) * 1988-05-13 1997-07-01 Minnesota Mining And Manufacturing Company Equipment for forming a sheet of loop material
WO1996027703A1 (en) * 1995-03-06 1996-09-12 Weyerhaeuser Company Fibrous web having improved strength and method of making the same
ES2686045T3 (en) * 2011-12-30 2018-10-16 Philip Morris Products S.A. Apparatus and method for supplying a continuous web of curly sheet material
CN105473010B (en) 2013-09-02 2020-01-17 菲利普莫里斯生产公司 Method and apparatus for making variable crimped web material
CN106690412B (en) * 2017-03-06 2023-05-26 云南芯韵科技开发有限公司 Functional filter stick containing paper threads and preparation method thereof
EP3915740B1 (en) * 2020-05-27 2023-01-25 G.D S.p.A. Unit for cutting a continuous web into parallel strips

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018192844A1 (en) * 2017-04-18 2018-10-25 Philip Morris Products S.A. Apparatus and method for the production of sheet like tobacco material
US11252995B2 (en) 2017-04-18 2022-02-22 Philip Morris Products S.A. Apparatus and method for the production of sheet like tobacco material
WO2018215467A1 (en) * 2017-05-22 2018-11-29 Philip Morris Products S.A. A method and an apparatus for manufacturing a crimped sheet of material
WO2019158333A1 (en) 2018-02-14 2019-08-22 Philip Morris Products S.A. Apparatus for crimping a sheet of material

Also Published As

Publication number Publication date
DE2020115B2 (en) 1975-07-10
DE2020115A1 (en) 1970-11-12
RO56263A (en) 1974-04-29
SE359726B (en) 1973-09-10
ES378870A1 (en) 1973-01-16
NO128303B (en) 1973-10-29
CH521156A (en) 1972-04-15
FI49471B (en) 1975-04-01
JPS4924237B1 (en) 1974-06-21
FI49471C (en) 1975-07-10
IL34341A0 (en) 1970-06-17
SU458964A3 (en) 1975-01-30
US3621764A (en) 1971-11-23
BE749738A (en) 1970-10-01
FR2041222A1 (en) 1971-01-29
NL7006199A (en) 1970-11-03
IL34341A (en) 1973-07-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees