CA999501A - Apparatus and method for producing filament tow filter rod having a foamed thermoplastic sheath - Google Patents

Apparatus and method for producing filament tow filter rod having a foamed thermoplastic sheath

Info

Publication number
CA999501A
CA999501A CA173,921A CA173921A CA999501A CA 999501 A CA999501 A CA 999501A CA 173921 A CA173921 A CA 173921A CA 999501 A CA999501 A CA 999501A
Authority
CA
Canada
Prior art keywords
filter rod
foamed thermoplastic
filament tow
tow filter
thermoplastic sheath
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
CA173,921A
Other versions
CA173921S (en
Inventor
George L. Mathe
Alex S. Gergely
Harry F. Rapp
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.)
Philip Morris USA Inc
Original Assignee
Philip Morris USA Inc
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 Philip Morris USA Inc filed Critical Philip Morris USA Inc
Application granted granted Critical
Publication of CA999501A publication Critical patent/CA999501A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Molding Of Porous Articles (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Multicomponent Fibers (AREA)
  • Nonwoven Fabrics (AREA)
CA173,921A 1972-08-21 1973-06-13 Apparatus and method for producing filament tow filter rod having a foamed thermoplastic sheath Expired CA999501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28240772A 1972-08-21 1972-08-21

Publications (1)

Publication Number Publication Date
CA999501A true CA999501A (en) 1976-11-09

Family

ID=23081386

Family Applications (1)

Application Number Title Priority Date Filing Date
CA173,921A Expired CA999501A (en) 1972-08-21 1973-06-13 Apparatus and method for producing filament tow filter rod having a foamed thermoplastic sheath

Country Status (9)

Country Link
JP (1) JPS4963757A (en)
AU (1) AU468340B2 (en)
CA (1) CA999501A (en)
CH (1) CH566729A5 (en)
FR (1) FR2196903B1 (en)
GB (1) GB1431500A (en)
HK (1) HK53277A (en)
IT (1) IT990113B (en)
NL (1) NL7310351A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113459456A (en) * 2021-06-15 2021-10-01 江苏爱索新材料科技有限公司 Processing method of TPU (thermoplastic polyurethane) fiber reinforced hose with foamed outer wall

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3121773C2 (en) * 1981-05-27 1984-06-07 Mannesmann AG, 4000 Düsseldorf Extruder head for sheathing a steel pipe
CA1212008A (en) * 1981-12-23 1986-09-30 Richard M. Berger Smoke filter having extended film overwrap and method and apparatus for fabricating same
US4614199A (en) * 1981-12-23 1986-09-30 American Filtrona Corporation Smoke filter having extended film overwrap and method and apparatus for fabricating same
US4675064A (en) * 1982-11-23 1987-06-23 American Filtrona Corporation Smoke filter having extended film overwrap and method and apparatus for fabricating same
DE3424269C2 (en) * 1984-06-30 1994-01-27 Krupp Ag Device for producing reinforced profiles and reinforced hoses
DE3439890A1 (en) * 1984-10-31 1986-04-30 Noel, Marquet & Cie. S.A., Eupen EXTRUSION METHOD AND DEVICE FOR PRODUCING A WIRE COATED WITH FOAM PLASTIC
US5641445A (en) * 1995-07-25 1997-06-24 Cadillac Rubber & Plastics, Inc. Apparatus and method for extruding multi-layered fuel tubing
DE10153820A1 (en) 2001-11-05 2003-05-15 Hauni Maschinenbau Ag Filter segments or filters for cigarettes and processes for their manufacture
CN112571759B (en) * 2020-12-11 2024-07-26 湖北中烟工业有限责任公司 Device and method for producing cooling firmware

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113459456A (en) * 2021-06-15 2021-10-01 江苏爱索新材料科技有限公司 Processing method of TPU (thermoplastic polyurethane) fiber reinforced hose with foamed outer wall

Also Published As

Publication number Publication date
JPS4963757A (en) 1974-06-20
NL7310351A (en) 1974-02-25
CH566729A5 (en) 1975-09-30
AU468340B2 (en) 1976-01-08
AU5691773A (en) 1974-12-19
DE2335055A1 (en) 1974-03-21
GB1431500A (en) 1976-04-07
FR2196903B1 (en) 1976-05-07
DE2335055B2 (en) 1976-03-11
FR2196903A1 (en) 1974-03-22
IT990113B (en) 1975-06-20
HK53277A (en) 1977-10-28

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