UST860010I4 - Jr., etal def. pub. method for forming cigarette filter rods sn - Google Patents

Jr., etal def. pub. method for forming cigarette filter rods sn Download PDF

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Publication number
UST860010I4
UST860010I4 US860010DH UST860010I4 US T860010 I4 UST860010 I4 US T860010I4 US 860010D H US860010D H US 860010DH US T860010 I4 UST860010 I4 US T860010I4
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United States
Prior art keywords
def
pub
etal
cigarette filter
filter rods
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Publication of UST860010I4 publication Critical patent/UST860010I4/en
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    • 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
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers

Definitions

  • a method and apparatus for forming cigarette filter rods that includes the step of heating the filter rod fibers and/or plasticizer by microwave energy to cause rapid and even curing of the rods.
  • the microwave energy may be applied to the filter rod fibers either immediately after the tow material is formed, simultaneously with the forming, or after the rod-like configuration of plasticizer containing tow material is wrapped with a wrapper.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Description

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE 2 Published at the request of the applicant or owner in accordance with the Notice of Apr. 11, 1968, 849 O.G. 1221. Identification is by serial number of the application and the heading indicates the number of pages of specification, including claims, and of sheets or drawing contained in the application as originally filed. The file of this application is available to the public for inspection; reproduction may be purchased for 80 cents per sheet.
Applications published under the Defensive Publication Program have not been examined as to the merits or alleged invention. The Patent Ofllce makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED MARCH 18, 1969 666 165 METHOD FOR FoRMlggsClGARETTE FILTER John R. Hatfield, Jr., and Charles E. Sandidge, both of R0. Box 511, Kingsport, Tenn. 37662 Filed Sept. 7, 1967. Published Mar. 18, 1969 Class 156-166 2 Sheets Drawing. 15 Pages Specification A method and apparatus for forming cigarette filter rods that includes the step of heating the filter rod fibers and/or plasticizer by microwave energy to cause rapid and even curing of the rods. The microwave energy may be applied to the filter rod fibers either immediately after the tow material is formed, simultaneously with the forming, or after the rod-like configuration of plasticizer containing tow material is wrapped with a wrapper.
Ty p 0/0 DEF. PUB.
March 13, 1969 J. R. HATFIELD, JR. ETAL METHOD FOR FQRMING CIGARETTE FILTER RODS Filed Sept. '7, 196'? wQGm cwmmdm zD wzgmom m0 QOIPME Tgqo/a March 18, 1969 J. R. HATFEELD, -JR.. ETAL DEF. PUB
METHOD FOR FORMING CIGARETTE FILTER RODS SN 655155 Filed Sept. 7, 1967 Sheet .2 of 2 llll O [III/li/II/III/ 3 FIG 4 FIG 5 /i [/1 I/I/I/I I/I I/I/I [/1 4
US860010D 1967-09-07 1967-09-07 Jr., etal def. pub. method for forming cigarette filter rods sn Pending UST860010I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66616567A 1967-09-07 1967-09-07

Publications (1)

Publication Number Publication Date
UST860010I4 true UST860010I4 (en) 1969-03-18

Family

ID=24673089

Family Applications (1)

Application Number Title Priority Date Filing Date
US860010D Pending UST860010I4 (en) 1967-09-07 1967-09-07 Jr., etal def. pub. method for forming cigarette filter rods sn

Country Status (2)

Country Link
US (1) UST860010I4 (en)
BE (1) BE720541A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357188A (en) * 1979-10-22 1982-11-02 Mitsubishi Rayon Co., Ltd. Method for manufacturing cigarette filters
US5167764A (en) * 1990-07-02 1992-12-01 Hoechst Celanese Corporation Wet laid bonded fibrous web

Also Published As

Publication number Publication date
BE720541A (en) 1969-02-17

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