ES183796Y - PERFECTED FILTER ELEMENTS. - Google Patents

PERFECTED FILTER ELEMENTS.

Info

Publication number
ES183796Y
ES183796Y ES1970183796U ES183796U ES183796Y ES 183796 Y ES183796 Y ES 183796Y ES 1970183796 U ES1970183796 U ES 1970183796U ES 183796 U ES183796 U ES 183796U ES 183796 Y ES183796 Y ES 183796Y
Authority
ES
Spain
Prior art keywords
filter elements
perfected filter
perfected
elements
filter
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
ES1970183796U
Other languages
Spanish (es)
Other versions
ES183796U (en
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.)
Monsanto Chemicals Ltd
Original Assignee
Monsanto Chemicals 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 Monsanto Chemicals Ltd filed Critical Monsanto Chemicals Ltd
Publication of ES183796U publication Critical patent/ES183796U/en
Application granted granted Critical
Publication of ES183796Y publication Critical patent/ES183796Y/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
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
ES1970183796U 1969-03-25 1970-03-20 PERFECTED FILTER ELEMENTS. Expired ES183796Y (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1561569A GB1271274A (en) 1969-03-25 1969-03-25 Filtering element

Publications (2)

Publication Number Publication Date
ES183796U ES183796U (en) 1973-08-01
ES183796Y true ES183796Y (en) 1974-05-16

Family

ID=10062335

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1970183796U Expired ES183796Y (en) 1969-03-25 1970-03-20 PERFECTED FILTER ELEMENTS.

Country Status (9)

Country Link
JP (1) JPS509880B1 (en)
BE (1) BE747829A (en)
BR (1) BR7017718D0 (en)
CH (1) CH518069A (en)
DE (1) DE2013914A1 (en)
ES (1) ES183796Y (en)
FR (1) FR2039851A5 (en)
GB (1) GB1271274A (en)
IT (1) IT968022B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939237A (en) * 1971-11-19 1976-02-17 Asahi Dow, Ltd. Method of making a fluid transmitting porous tube or sheet
GB1482216A (en) * 1974-04-11 1977-08-10 Monsanto Ltd Cigarette filters
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
DE10153820A1 (en) 2001-11-05 2003-05-15 Hauni Maschinenbau Ag Filter segments or filters for cigarettes and processes for their manufacture

Also Published As

Publication number Publication date
DE2013914A1 (en) 1970-12-03
IT968022B (en) 1974-03-20
FR2039851A5 (en) 1971-01-15
JPS509880B1 (en) 1975-04-16
BR7017718D0 (en) 1973-02-01
CH518069A (en) 1972-01-31
BE747829A (en) 1970-09-23
ES183796U (en) 1973-08-01
GB1271274A (en) 1972-04-19

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