IT1019172B - Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenuto - Google Patents
Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenutoInfo
- Publication number
- IT1019172B IT1019172B IT52820/74A IT5282074A IT1019172B IT 1019172 B IT1019172 B IT 1019172B IT 52820/74 A IT52820/74 A IT 52820/74A IT 5282074 A IT5282074 A IT 5282074A IT 1019172 B IT1019172 B IT 1019172B
- Authority
- IT
- Italy
- Prior art keywords
- production
- sheet material
- obtained product
- thermoplastic fibers
- woven sheet
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- 229920001169 thermoplastic Polymers 0.000 title 1
- 239000004416 thermosoftening plastic Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/111—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/001—Making filtering elements not provided for elsewhere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/22—Cell-type filters
- B01D25/24—Cell-type roll filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
- B01D29/216—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets with wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
- B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0407—Perforated supports on both sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/188—Multiple filtering elements having filtering areas of different size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0428—Rendering the filter material hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0464—Impregnants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0622—Melt-blown
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/069—Special geometry of layers
- B01D2239/0695—Wound layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1216—Pore size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1233—Fibre diameter
-
- 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
- Y10S264/75—Processes of uniting two or more fibers
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1362—Textile, fabric, cloth, or pile containing [e.g., web, net, woven, knitted, mesh, nonwoven, matted, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249922—Embodying intertwined or helical component[s]
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/681—Spun-bonded nonwoven fabric
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Laminated Bodies (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Fiber Materials (AREA)
- Preliminary Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/393,688 US3933557A (en) | 1973-08-31 | 1973-08-31 | Continuous production of nonwoven webs from thermoplastic fibers and products |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1019172B true IT1019172B (it) | 1977-11-10 |
Family
ID=23555816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT52820/74A IT1019172B (it) | 1973-08-31 | 1974-08-30 | Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenuto |
Country Status (14)
Country | Link |
---|---|
US (2) | US3933557A (it) |
JP (2) | JPS5529183B2 (it) |
BE (1) | BE819442A (it) |
BR (1) | BR7407280D0 (it) |
CA (1) | CA1015146A (it) |
CH (1) | CH582774A5 (it) |
DE (3) | DE2440998C3 (it) |
FI (1) | FI59430C (it) |
FR (1) | FR2242502B1 (it) |
GB (1) | GB1459010A (it) |
IT (1) | IT1019172B (it) |
NO (1) | NO141521C (it) |
SE (1) | SE395725B (it) |
ZA (1) | ZA745548B (it) |
Families Citing this family (104)
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IL51212A (en) * | 1976-01-14 | 1980-03-31 | Pall Corp | Filter elements and process for their continuous production by laydown of thermoplastic fibers on a preformed core to form a nonwoven cylindrical web |
DE2618623C2 (de) * | 1976-04-28 | 1982-12-09 | Fa. Carl Freudenberg, 6940 Weinheim | Mikroporöser Separator |
CA1073648A (en) * | 1976-08-02 | 1980-03-18 | Edward R. Hauser | Web of blended microfibers and crimped bulking fibers |
JPS53114974A (en) * | 1977-03-15 | 1978-10-06 | Toa Nenryo Kogyo Kk | Method and apparatus for making nonnwoven structure |
US4301203A (en) * | 1978-07-27 | 1981-11-17 | Pnc Company | Manufacturing a thermoplastic non-woven web comprising coherently interconnected filaments |
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US2584387A (en) * | 1944-11-06 | 1952-02-05 | Bowser Inc | Expendible cartridge filter and method of making same |
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DE1660763B1 (de) * | 1967-07-04 | 1972-05-31 | Dilo Kg Oskar | Vorrichtung zur Herstellung von Schlauchfilzen aus einem Faservliesband |
US3615998A (en) * | 1968-07-10 | 1971-10-26 | Celanese Corp | Method of biaxially oriented nonwoven tubular material |
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CA995430A (en) * | 1968-12-23 | 1976-08-24 | Robert R. Buntin | Non-woven polypropylene mats by melt blowing |
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JPS5031317B2 (it) * | 1971-09-01 | 1975-10-09 | ||
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-
1973
- 1973-08-31 US US05/393,688 patent/US3933557A/en not_active Expired - Lifetime
-
1974
- 1974-08-08 CA CA206,625A patent/CA1015146A/en not_active Expired
- 1974-08-09 GB GB3526674A patent/GB1459010A/en not_active Expired
- 1974-08-27 DE DE2440998A patent/DE2440998C3/de not_active Expired
- 1974-08-27 DE DE2462882A patent/DE2462882C3/de not_active Expired
- 1974-08-27 DE DE2462881A patent/DE2462881C2/de not_active Expired
- 1974-08-29 FR FR7429590A patent/FR2242502B1/fr not_active Expired
- 1974-08-30 FI FI2552/74A patent/FI59430C/fi active
- 1974-08-30 BR BR7280/74A patent/BR7407280D0/pt unknown
- 1974-08-30 ZA ZA00745548A patent/ZA745548B/xx unknown
- 1974-08-30 SE SE7410984A patent/SE395725B/xx not_active IP Right Cessation
- 1974-08-30 CH CH1184474A patent/CH582774A5/xx not_active IP Right Cessation
- 1974-08-30 NO NO743127A patent/NO141521C/no unknown
- 1974-08-30 IT IT52820/74A patent/IT1019172B/it active
- 1974-08-30 JP JP9982974A patent/JPS5529183B2/ja not_active Expired
- 1974-09-02 BE BE148125A patent/BE819442A/xx not_active IP Right Cessation
-
1976
- 1976-01-14 US US05/649,001 patent/US4112159A/en not_active Expired - Lifetime
-
1979
- 1979-09-13 JP JP11781879A patent/JPS5590661A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
ZA745548B (en) | 1975-10-29 |
JPS5590661A (en) | 1980-07-09 |
FI255274A (it) | 1975-03-01 |
FI59430B (fi) | 1981-04-30 |
JPS5053666A (it) | 1975-05-12 |
SE7410984L (it) | 1975-03-03 |
US3933557A (en) | 1976-01-20 |
DE2462882B2 (de) | 1981-05-07 |
DE2440998B2 (de) | 1980-04-17 |
SE395725B (sv) | 1977-08-22 |
GB1459010A (en) | 1976-12-22 |
CA1015146A (en) | 1977-08-09 |
DE2440998C3 (de) | 1981-01-22 |
US4112159A (en) | 1978-09-05 |
CH582774A5 (it) | 1976-12-15 |
BE819442A (fr) | 1975-03-03 |
FR2242502B1 (it) | 1978-12-01 |
FI59430C (fi) | 1981-08-10 |
NO743127L (it) | 1975-03-24 |
JPS5529183B2 (it) | 1980-08-01 |
FR2242502A1 (it) | 1975-03-28 |
AU7285374A (en) | 1976-03-04 |
DE2440998A1 (de) | 1975-03-13 |
JPS5648624B2 (it) | 1981-11-17 |
NO141521B (no) | 1979-12-17 |
DE2462882C3 (de) | 1982-01-07 |
DE2462881C2 (de) | 1984-04-12 |
NO141521C (no) | 1980-03-26 |
BR7407280D0 (pt) | 1975-06-24 |
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