FR1493680A - Apparatus and method for separating and electrostatically charging a web of plexifilaments - Google Patents

Apparatus and method for separating and electrostatically charging a web of plexifilaments

Info

Publication number
FR1493680A
FR1493680A FR69896A FR69896A FR1493680A FR 1493680 A FR1493680 A FR 1493680A FR 69896 A FR69896 A FR 69896A FR 69896 A FR69896 A FR 69896A FR 1493680 A FR1493680 A FR 1493680A
Authority
FR
France
Prior art keywords
plexifilaments
web
separating
electrostatically charging
electrostatically
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
FR69896A
Other languages
French (fr)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 US372623A external-priority patent/US3387326A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to FR69896A priority Critical patent/FR1493680A/en
Application granted granted Critical
Publication of FR1493680A publication Critical patent/FR1493680A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00Devices providing for corona discharge
    • H01T19/04Devices providing for corona discharge having pointed electrodes
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/04Dry spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/11Flash-spinning
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
FR69896A 1964-06-04 1966-07-19 Apparatus and method for separating and electrostatically charging a web of plexifilaments Expired FR1493680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR69896A FR1493680A (en) 1964-06-04 1966-07-19 Apparatus and method for separating and electrostatically charging a web of plexifilaments

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US372623A US3387326A (en) 1964-06-04 1964-06-04 Apparatus for charging and spreading a web
FR69896A FR1493680A (en) 1964-06-04 1966-07-19 Apparatus and method for separating and electrostatically charging a web of plexifilaments
US4882570A 1970-06-10 1970-06-10

Publications (1)

Publication Number Publication Date
FR1493680A true FR1493680A (en) 1967-09-01

Family

ID=27243412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69896A Expired FR1493680A (en) 1964-06-04 1966-07-19 Apparatus and method for separating and electrostatically charging a web of plexifilaments

Country Status (1)

Country Link
FR (1) FR1493680A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241163A1 (en) * 1971-09-09 1973-03-22 Solvay METHOD AND APPARATUS FOR THE RECOVERY OF FIBRILS FROM SYNTHETIC POLYMER
EP0010756A1 (en) * 1978-10-31 1980-05-14 E.I. Du Pont De Nemours And Company Process for preparing a nonwoven web and apparatus for carrying out said process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241163A1 (en) * 1971-09-09 1973-03-22 Solvay METHOD AND APPARATUS FOR THE RECOVERY OF FIBRILS FROM SYNTHETIC POLYMER
EP0010756A1 (en) * 1978-10-31 1980-05-14 E.I. Du Pont De Nemours And Company Process for preparing a nonwoven web and apparatus for carrying out said process

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