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GB1308979A - Production of fibres or filaments by extrusion of virtually inviscid jets - Google Patents

Production of fibres or filaments by extrusion of virtually inviscid jets

Info

Publication number
GB1308979A
GB1308979A GB3186770A GB3186770A GB1308979A GB 1308979 A GB1308979 A GB 1308979A GB 3186770 A GB3186770 A GB 3186770A GB 3186770 A GB3186770 A GB 3186770A GB 1308979 A GB1308979 A GB 1308979A
Authority
GB
United Kingdom
Prior art keywords
plate
jet
orifice
extrusion
gas
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
GB3186770A
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 Co
Original Assignee
Monsanto 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
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of GB1308979A publication Critical patent/GB1308979A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/02—Spinnerettes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/005—Continuous casting of metals, i.e. casting in indefinite lengths of wire
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/0203—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices
    • C03B37/0209—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices by means of a solid heat sink, e.g. cooling fins
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C03B37/083—Nozzles; Bushing nozzle plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Continuous Casting (AREA)
  • Inorganic Fibers (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

1308979 Continuous casting MONSANTO CO 1 July 1970 [2 July 1969] 31867/70 Heading B3F [Also in Division C1] To form a fibre or filament, molten inorganic material 1, such as a metal, alloy, ceramic composition, aluminium oxide or a metalloid, having a viscosity less than 10 poises, is extruded as a jet 4, e.g. of less than 50 mils diameter, into a concomitant flow of inert gas such as He or Ar to pass with the gas into an atmosphere which forms a stabilizing film on the jet by decomposing or reacting with the jet material. The inert gas is said to inhibit the growth of deposits, e.g. of oxides, in or near the extrusion orifice 2. It can relax the velocity profiles created at the orifice before film-stabilization and therefore long-bore orifices can be used. Examples are given of extrusion of Pb/Sn alloy (62/38) and Al alloy into He and then into air (for stabilization). Also referred to as melts for extrusion are Al, Ag, Au. Cu, Fe, Pb, Sn and alloys thereof, including stainless steels and carbon steel. The He or Ar passes through a port 7 into a space 5 between a plate 10 having an orifice 2 (through which the melt is extruded from a crucible 3) and a second plate 6 with an aperture 8 (which may be frustoconical) for the outflow of the gas and jet 4 into a chamber 9 of the stabilizing-film gas. Relative dimensions of the orifice 2, aperture 8 and space 5 are given. The space 5 may he machined in the orifice plate 10 instead of in the plate 6, or the assembly of plates 6 and 10 may be formed by machining the port 7, space 5, aperture 8 and a socket for the plate 10 in a crucible base and placing the plate 10 in the socket. The plates may be of alumina, magnesia, thoria, beryllia or zirconia or stainless steel or, for extruding ceramics, of molybdenum or graphite. Thr inert gas pressure and density may be varied to determine a degree of attenuation of the extruded jet 4 to control the filament diameter and the gas velocity can be increased so that discontinuous fibres, e.g. of a length/ diameter ratio greater than 5, are produced. Reference has been directed by the Comptroller to Specifications 1,153,577 and 1,197,972.
GB3186770A 1969-07-02 1970-07-01 Production of fibres or filaments by extrusion of virtually inviscid jets Expired GB1308979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83859369A 1969-07-02 1969-07-02

Publications (1)

Publication Number Publication Date
GB1308979A true GB1308979A (en) 1973-03-07

Family

ID=25277521

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3186770A Expired GB1308979A (en) 1969-07-02 1970-07-01 Production of fibres or filaments by extrusion of virtually inviscid jets

Country Status (13)

Country Link
US (1) US3645657A (en)
JP (1) JPS4842809B1 (en)
AT (1) AT322087B (en)
BE (1) BE752807A (en)
CA (1) CA927571A (en)
CS (1) CS164277B2 (en)
DE (1) DE2032602C3 (en)
FR (1) FR2054606B1 (en)
GB (1) GB1308979A (en)
NL (1) NL161698C (en)
RO (1) RO58525A (en)
SU (1) SU591128A3 (en)
ZA (1) ZA704503B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150207022A1 (en) * 2010-03-16 2015-07-23 Grain Free Products, Inc. System for the production of single crystal semiconductors and solar panels using the single crystal semiconductors

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750741A (en) * 1969-07-28 1973-08-07 Monsanto Co Method for improved extrusion of essentially inviscid jets
US3752211A (en) * 1970-12-15 1973-08-14 Mitsui Mining & Smelting Co Method of making stretchable zinc fibers
US3778786A (en) * 1972-06-28 1973-12-11 Nasa Data storage, image tube type
US3788786A (en) * 1972-08-30 1974-01-29 Monsanto Co Orifice assembly for extruding low-viscosity melts
US3926248A (en) * 1973-10-11 1975-12-16 Monsanto Co Orifice structure for extruding molten metal to form fine diameter wire
US4020891A (en) * 1974-11-11 1977-05-03 Brunswick Corporation Melt spinning process and machine
JPS5474698A (en) * 1977-11-28 1979-06-14 Univ Tohoku Superconductive thin band and method of fabricating same
EP0076618B1 (en) * 1981-09-29 1986-03-05 Unitika Ltd. Method of manufacturing thin metal wire
US6585151B1 (en) 2000-05-23 2003-07-01 The Regents Of The University Of Michigan Method for producing microporous objects with fiber, wire or foil core and microporous cellular objects
US20080213927A1 (en) * 2007-03-02 2008-09-04 Texas Instruments Incorporated Method for manufacturing an improved resistive structure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL101583C (en) * 1956-02-16
US2900708A (en) * 1956-02-16 1959-08-25 Marvalaud Inc Apparatus for producing alloy and bimetallic filaments
US3175339A (en) * 1956-08-09 1965-03-30 Fmc Corp Conjugated cellulosic filaments
US3048467A (en) * 1957-06-10 1962-08-07 Union Carbide Corp Textile fibers of polyolefins
US2976590A (en) * 1959-02-02 1961-03-28 Marvalaud Inc Method of producing continuous metallic filaments
US3061874A (en) * 1960-11-23 1962-11-06 Du Pont Melt spinning apparatus
LU50792A1 (en) * 1965-03-30 1966-09-29
US3516478A (en) * 1967-12-05 1970-06-23 Monsanto Co Apparatus for separation of impurities from metal melts in a filament spinning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150207022A1 (en) * 2010-03-16 2015-07-23 Grain Free Products, Inc. System for the production of single crystal semiconductors and solar panels using the single crystal semiconductors

Also Published As

Publication number Publication date
DE2032602C3 (en) 1980-03-13
JPS4842809B1 (en) 1973-12-14
SU591128A3 (en) 1978-01-30
NL7009703A (en) 1971-01-05
DE2032602B2 (en) 1979-07-05
US3645657A (en) 1972-02-29
AT322087B (en) 1975-05-12
RO58525A (en) 1975-09-15
ZA704503B (en) 1971-03-31
CS164277B2 (en) 1975-11-07
BE752807A (en) 1971-01-04
FR2054606B1 (en) 1973-11-16
CA927571A (en) 1973-06-05
DE2032602A1 (en) 1971-01-14
NL161698C (en) 1980-03-17
FR2054606A1 (en) 1971-04-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee