YU39523B - Device for the manufacture of tibers from thermoplastic materials - Google Patents

Device for the manufacture of tibers from thermoplastic materials

Info

Publication number
YU39523B
YU39523B YU875/74A YU87574A YU39523B YU 39523 B YU39523 B YU 39523B YU 875/74 A YU875/74 A YU 875/74A YU 87574 A YU87574 A YU 87574A YU 39523 B YU39523 B YU 39523B
Authority
YU
Yugoslavia
Prior art keywords
tibers
manufacture
thermoplastic materials
thermoplastic
materials
Prior art date
Application number
YU875/74A
Other languages
English (en)
Other versions
YU87574A (en
Inventor
M Levecque
J Battigelli
D Plantard
Original Assignee
Saint Gobain
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 Saint Gobain filed Critical Saint Gobain
Publication of YU87574A publication Critical patent/YU87574A/xx
Publication of YU39523B publication Critical patent/YU39523B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/06Manufacture of glass fibres or filaments by blasting or blowing molten glass, e.g. for making staple fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Inorganic Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Glass Melting And Manufacturing (AREA)
YU875/74A 1973-03-30 1974-03-28 Device for the manufacture of tibers from thermoplastic materials YU39523B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7311525A FR2223318B1 (sv) 1973-03-30 1973-03-30

Publications (2)

Publication Number Publication Date
YU87574A YU87574A (en) 1982-05-31
YU39523B true YU39523B (en) 1984-12-31

Family

ID=9117145

Family Applications (2)

Application Number Title Priority Date Filing Date
YU875/74A YU39523B (en) 1973-03-30 1974-03-28 Device for the manufacture of tibers from thermoplastic materials
YU3198/80A YU40243B (en) 1973-03-30 1980-12-17 Process for the manufacture of thermoplastic fibres

Family Applications After (1)

Application Number Title Priority Date Filing Date
YU3198/80A YU40243B (en) 1973-03-30 1980-12-17 Process for the manufacture of thermoplastic fibres

Country Status (33)

Country Link
US (6) US3885940A (sv)
JP (21) JPS5243932B2 (sv)
AR (1) AR207950A1 (sv)
AT (1) AT364066B (sv)
BE (1) BE813111A (sv)
BG (1) BG39462A3 (sv)
BR (1) BR7402532D0 (sv)
CA (4) CA1060654A (sv)
CH (1) CH570943A5 (sv)
CS (1) CS180629B2 (sv)
DD (1) DD113340A5 (sv)
DE (1) DE2414779C3 (sv)
DK (1) DK149648C (sv)
ES (1) ES424811A1 (sv)
FI (1) FI57247C (sv)
FR (1) FR2223318B1 (sv)
GB (1) GB1454061A (sv)
HK (1) HK43877A (sv)
HU (1) HU175824B (sv)
IE (1) IE39070B1 (sv)
IL (1) IL44271A (sv)
IT (1) IT1051575B (sv)
LU (1) LU69745A1 (sv)
MY (1) MY7700216A (sv)
NL (1) NL156664B (sv)
NO (1) NO139954C (sv)
OA (1) OA04694A (sv)
PH (1) PH14041A (sv)
RO (1) RO67607B (sv)
SE (1) SE408791C (sv)
TR (1) TR17986A (sv)
YU (2) YU39523B (sv)
ZA (1) ZA741243B (sv)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015963A (en) * 1973-03-30 1977-04-05 Saint-Gobain Industries Method and apparatus for forming fibers by toration
US4052183A (en) * 1973-04-24 1977-10-04 Saint-Gobain Industries Method and apparatus for suppression of pollution in toration of glass fibers
FR2374440A1 (fr) * 1976-12-16 1978-07-13 Saint Gobain Procede et dispositif pour la fabrication de fibres de matieres etirables
FR2384723A1 (fr) * 1975-02-18 1978-10-20 Saint Gobain Procede et dispositifs pour la fabrication de fibres a partir de materiaux thermoplastiques, tels que le verre
FR2223318B1 (sv) * 1973-03-30 1978-03-03 Saint Gobain
US4070173A (en) * 1973-03-30 1978-01-24 Saint-Gobain Industries Method and apparatus for fiberizing attenuable materials
US4015964A (en) * 1973-03-30 1977-04-05 Saint-Gobain Industries Method and apparatus for making fibers from thermoplastic materials
US4145203A (en) * 1973-03-30 1979-03-20 Saint-Gobain Industries Apparatus for forming fibers from attenuable material
US4159199A (en) * 1973-03-30 1979-06-26 Saint-Gobain Industries Method and apparatus for forming fibers by gas blast attenuation
US4118213A (en) * 1973-03-30 1978-10-03 Saint-Gobain Industries Method and apparatus for fiberizing attenuable materials and product thereof
US4102662A (en) * 1973-03-30 1978-07-25 Saint-Gobain Industries Method and apparatus for making fibers from thermoplastic materials
US4211737A (en) * 1974-11-19 1980-07-08 Montedison S.P.A. Process for producing synthetic fibers for use in paper-making
JPS5857374B2 (ja) * 1975-08-20 1983-12-20 日本板硝子株式会社 繊維の製造方法
AR207531A1 (es) * 1976-02-09 1976-10-08 Saint Gobain Un procedimiento para transformar en fibras un material estriable
JPS5310728A (en) * 1976-07-09 1978-01-31 Nippon Sheet Glass Co Ltd Manufacturing apparatus for thermal plastic fiber
US4140509A (en) * 1977-03-24 1979-02-20 Saint-Gobain Industries Method and apparatus for making fibers from thermoplastic materials
US4146378A (en) * 1976-12-15 1979-03-27 Marcel Levecque Fiber formation by use of gas blast attenuation
US4137059A (en) * 1977-03-24 1979-01-30 Saint-Gobain Industries Method and apparatus for making fibers from attenuable materials
US4113456A (en) * 1977-03-24 1978-09-12 Saint-Gobain Industries Fiberization energy conservation
JPS585853B2 (ja) * 1977-10-28 1983-02-02 セントラル硝子株式会社 無機質繊維の製造装置
US4536361A (en) * 1978-08-28 1985-08-20 Torobin Leonard B Method for producing plastic microfilaments
DE2862175D1 (en) * 1978-09-11 1983-03-17 Spafi Soc Particip Financ Ind Method for manufacturing fibres by jet attenuation
DE2849357A1 (de) * 1978-11-14 1980-05-29 Saint Gobain Verfahren und vorrichtung zur beeinflussung der eigenschaften von fasern bei der herstellung von fasern aus thermoplastischem material
FR2444727A1 (fr) * 1978-12-22 1980-07-18 Saint Gobain Fabrication de fibres au moyen de courants gazeux, a partir d'une matiere etirable
US4363646A (en) * 1979-07-20 1982-12-14 Torobin Leonard B Method and apparatus for producing microfilaments
US4303430A (en) * 1980-03-06 1981-12-01 Owens-Corning Fiberglas Corporation Method and apparatus for forming mineral fibers
US4239504A (en) * 1980-04-14 1980-12-16 Betz Laboratories, Inc. Free base amino alcohols as electrostatic precipitator efficiency enhancers
FR2499965B1 (fr) * 1981-02-19 1985-06-14 Saint Gobain Isover Procede et dispositif pour la fabrication de fibres a partir de matieres etirables
US4525314A (en) * 1981-03-18 1985-06-25 Torobin Leonard B Producing metal and metal glass microfilaments
WO1983001944A1 (en) * 1981-11-27 1983-06-09 Torobin, Leonard, B. Method and apparatus for producing metal and metal glass microfilaments
AU1041283A (en) * 1981-11-27 1983-06-17 Torobin, Leonard B. Method and apparatus for producing microfilaments
AU1044683A (en) * 1981-11-27 1983-06-17 Leonard B. Torobin Method and apparatus for producing plastic microfilaments
US4389232A (en) * 1982-02-05 1983-06-21 Rene Fournier Apparatus for making fibers from thermoplastic materials
US4414010A (en) * 1982-06-21 1983-11-08 Manville Service Corporation Apparatus for attenuating mineral fibers
EP0121558A4 (en) * 1982-09-30 1985-03-08 Atlantic Richfield Co GLASS FORMING COMPOSITIONS CONTAINING NATURAL PRE-REAGENTED ZEOLITE AND METHOD FOR PRODUCING GLASS THEREOF.
US4652535A (en) * 1982-09-30 1987-03-24 Ensci Incorporated Alkaline-resistant glass bodies and fibers
JPS59118531U (ja) * 1983-01-26 1984-08-10 ジューキ株式会社 プリンタの活字位置決め装置
US4680277A (en) * 1983-09-28 1987-07-14 Ensci Incorporated Alumina and alkaline earth metal oxide modified zeolite glass composition
WO1985001498A1 (en) * 1983-09-28 1985-04-11 Atlantic Richfield Company Alumina and alkaline earth metal oxide modified zeolite glass composition
US4631013A (en) * 1984-02-29 1986-12-23 General Electric Company Apparatus for atomization of unstable melt streams
JPS61149413U (sv) * 1985-02-27 1986-09-16
JPS61216502A (ja) * 1985-03-22 1986-09-26 Tokyo Keiki Co Ltd 偏波変換格子
JPS61242402A (ja) * 1985-04-19 1986-10-28 Tokyo Keiki Co Ltd 円偏波格子
DE3514440A1 (de) * 1985-04-20 1986-10-23 Robert Bosch Gmbh, 7000 Stuttgart Gehaeuse zur aufnahme elektrischer steuergeraete, insbesondere fuer kraftfahrzeuge
US4731517A (en) * 1986-03-13 1988-03-15 Cheney Richard F Powder atomizing methods and apparatus
JPS63502839A (ja) * 1986-03-13 1988-10-20 チェニ−、リチャ−ド エフ 粉末の微細化方法および装置
JPS63162661U (sv) * 1987-04-15 1988-10-24
JPS649764A (en) * 1987-07-01 1989-01-13 Triumph Adler Ag Printing hammer for type of typewriter or similar machine
US4861362A (en) * 1988-05-25 1989-08-29 Denniston Donald W Method and apparatus for forming fibers from thermoplastic materials
US4889546A (en) * 1988-05-25 1989-12-26 Denniston Donald W Method and apparatus for forming fibers from thermoplastic materials
JP2515898B2 (ja) * 1989-11-30 1996-07-10 ホーヤ株式会社 溶融装置
FR2697198B1 (fr) * 1992-10-26 1995-02-24 Darlet Marchante Tech Sa Dispositif pour le placage de produits en feuille ou plaque sur un tambour de refroidissement.
US5478224A (en) * 1994-02-04 1995-12-26 Illinois Tool Works Inc. Apparatus for depositing a material on a substrate and an applicator head therefor
US5667749A (en) * 1995-08-02 1997-09-16 Kimberly-Clark Worldwide, Inc. Method for the production of fibers and materials having enhanced characteristics
US5711970A (en) * 1995-08-02 1998-01-27 Kimberly-Clark Worldwide, Inc. Apparatus for the production of fibers and materials having enhanced characteristics
US5811178A (en) * 1995-08-02 1998-09-22 Kimberly-Clark Worldwide, Inc. High bulk nonwoven sorbent with fiber density gradient
AU1022397A (en) * 1995-12-15 1997-07-14 Kimberly-Clark Corporation High temperature, high speed rotary valve
US5904298A (en) * 1996-10-08 1999-05-18 Illinois Tool Works Inc. Meltblowing method and system
US5902540A (en) 1996-10-08 1999-05-11 Illinois Tool Works Inc. Meltblowing method and apparatus
US6680021B1 (en) 1996-07-16 2004-01-20 Illinois Toolworks Inc. Meltblowing method and system
FR2768144B1 (fr) * 1997-09-10 1999-10-01 Vetrotex France Sa Fils de verre aptes a renforcer des matieres organiques et/ou inorganiques
US5882573A (en) * 1997-09-29 1999-03-16 Illinois Tool Works Inc. Adhesive dispensing nozzles for producing partial spray patterns and method therefor
US6117379A (en) * 1998-07-29 2000-09-12 Kimberly-Clark Worldwide, Inc. Method and apparatus for improved quenching of nonwoven filaments
US6051180A (en) * 1998-08-13 2000-04-18 Illinois Tool Works Inc. Extruding nozzle for producing non-wovens and method therefor
US6200635B1 (en) 1998-08-31 2001-03-13 Illinois Tool Works Inc. Omega spray pattern and method therefor
US6602554B1 (en) 2000-01-14 2003-08-05 Illinois Tool Works Inc. Liquid atomization method and system
US20050106982A1 (en) * 2003-11-17 2005-05-19 3M Innovative Properties Company Nonwoven elastic fibrous webs and methods for making them
US20070059508A1 (en) * 2005-09-13 2007-03-15 Building Materials Investment Corporation Fiber mat and process of making same
US7802452B2 (en) * 2005-12-21 2010-09-28 Johns Manville Processes for making inorganic fibers
US7807591B2 (en) * 2006-07-31 2010-10-05 3M Innovative Properties Company Fibrous web comprising microfibers dispersed among bonded meltspun fibers
US7798434B2 (en) * 2006-12-13 2010-09-21 Nordson Corporation Multi-plate nozzle and method for dispensing random pattern of adhesive filaments
US7985058B2 (en) * 2007-01-12 2011-07-26 Mark Gray Method and apparatus for making uniformly sized particles
BRPI0821434A2 (pt) * 2007-12-28 2015-06-16 3M Innovative Properties Co Mantas fibrosas não-tecidas compósitas e métodos de preparo e utilização das mesmas
JP5221676B2 (ja) 2007-12-31 2013-06-26 スリーエム イノベイティブ プロパティズ カンパニー 流体濾過物品とその作製方法及び使用方法
EP2235245B1 (en) * 2007-12-31 2015-12-02 3M Innovative Properties Company Composite non-woven fibrous webs having continuous particulate phase and methods of making and using the same
US8074902B2 (en) 2008-04-14 2011-12-13 Nordson Corporation Nozzle and method for dispensing random pattern of adhesive filaments
JP5670887B2 (ja) 2008-06-12 2015-02-18 スリーエム イノベイティブ プロパティズ カンパニー 生体適合性親水性組成物
EP2291558B1 (en) * 2008-06-12 2017-07-26 3M Innovative Properties Company Melt blown fine fibers and methods of manufacture
KR101642532B1 (ko) 2008-12-30 2016-07-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 탄성 부직 섬유 웨브와 제조 및 사용 방법
JP5711211B2 (ja) 2009-03-31 2015-04-30 スリーエム イノベイティブ プロパティズ カンパニー 寸法安定性不織布繊維ウェブ並びにその製造及び使用方法
AU2010339869B2 (en) * 2009-12-17 2014-12-18 3M Innovative Properties Company Dimensionally stable nonwoven fibrous webs and methods of making and using the same
BR112012014945A2 (pt) * 2009-12-17 2018-10-09 3M Innovative Properties Co manta fibrosa não tecida dimensionalmente estável, fibras finas produzidas por sopro em fusão (meltblown), e métodos de fabricação e uso das mesmas
US8932704B2 (en) 2010-02-23 2015-01-13 3M Innovative Properties Company Dimensionally stable nonwoven fibrous webs and methods of making and using the same
WO2011133396A1 (en) 2010-04-22 2011-10-27 3M Innovative Properties Company Nonwoven fibrous webs containing chemically active particulates and methods of making and using same
JP6054865B2 (ja) 2010-07-07 2016-12-27 スリーエム イノベイティブ プロパティズ カンパニー パターン付きエアレイド不織布繊維ウェブ、並びにこれらの製造及び使用方法
TW201221714A (en) 2010-10-14 2012-06-01 3M Innovative Properties Co Dimensionally stable nonwoven fibrous webs and methods of making and using the same
WO2013003391A2 (en) 2011-06-30 2013-01-03 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
AU2013329071B2 (en) 2012-10-12 2016-12-15 3M Innovative Properties Company Multi-layer articles
JP6205517B1 (ja) * 2017-06-15 2017-09-27 株式会社Roki 微細繊維製造装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US328226A (en) * 1885-10-13 Manufacture of mineral wool
US2126411A (en) * 1934-04-17 1938-08-09 Johns Manville Method for making mineral wool
US2515738A (en) * 1945-09-17 1950-07-18 Owens Corning Fiberglass Corp Apparatus for producing glass fibers
US2687551A (en) * 1947-05-06 1954-08-31 Owens Corning Fiberglass Corp Method and apparatus for forming glass fibers
US2609566A (en) * 1948-12-31 1952-09-09 Owens Corning Fiberglass Corp Method and apparatus for forming fibers
US2810157A (en) * 1952-03-05 1957-10-22 Owens Corning Fiberglass Corp Method and apparatus for producing fibers
GB724314A (en) * 1953-03-25 1955-02-16 Harry Morgan Yeatman Improvements in and relating to apparatus and method for the production of mineral fibres
US2814832A (en) * 1953-05-04 1957-12-03 Gustin Bacon Mfg Co Process for producing superfine glass fibers
US3019476A (en) * 1954-10-20 1962-02-06 Owens Corning Fiberglass Corp Cooling method and apparatus
US2982991A (en) * 1956-11-09 1961-05-09 Pittsburgh Plate Glass Co Apparatus for making fibers
US3224852A (en) * 1956-12-28 1965-12-21 Owens Corning Fiberglass Corp Apparatus for forming fibers
FR1177874A (fr) * 1957-06-18 1959-04-30 Cie De Pont A Mousson Procédé et installation pour la fabrication de fibres à partir de matières thermoplastiques
US2972169A (en) * 1957-09-13 1961-02-21 Owens Corning Fiberglass Corp Method and apparatus for producing fibers
NL270569A (sv) * 1960-10-24
AT244011B (de) * 1960-10-24 1965-12-10 Gruenzweig & Hartmann Verfahren zum Herstellen von Fasern aus zähflüssigen Massen und Vorrichtung zum Durchführen des Verfahrens
US3347648A (en) * 1964-08-19 1967-10-17 Certain Teed Fiber Glass Spinning glass filaments
FR95229E (fr) * 1968-03-14 1970-08-07 Cie De Saint Gobain S A Procédé et dispositifs pour la fabrication de fibres a partir de matieres thermoplastiques, telles que notamment fibres de verre.
FR1583071A (sv) * 1968-07-10 1969-10-17
FR2223318B1 (sv) * 1973-03-30 1978-03-03 Saint Gobain

Also Published As

Publication number Publication date
RO67607B (ro) 1983-04-30
RO67607A (ro) 1983-04-29
IL44271A0 (en) 1974-05-16
JPS50126928A (sv) 1975-10-06
FI57247C (fi) 1980-07-10
CH570943A5 (sv) 1975-12-31
JPS50126945A (sv) 1975-10-06
YU87574A (en) 1982-05-31
JPS50126942A (sv) 1975-10-06
JPS50126944A (sv) 1975-10-06
DD113340A5 (sv) 1975-06-05
SE408791C (sv) 1987-11-16
CA1059321A (en) 1979-07-31
JPS5243932B2 (sv) 1977-11-02
US3874886A (en) 1975-04-01
FI57247B (fi) 1980-03-31
TR17986A (tr) 1976-08-20
PH14041A (en) 1980-12-12
BE813111A (fr) 1974-09-30
CA1081955A (en) 1980-07-22
US3885940A (en) 1975-05-27
ZA741243B (en) 1975-01-29
DE2414779A1 (de) 1974-10-17
JPS50126943A (sv) 1975-10-06
NL7404287A (sv) 1974-10-02
JPS50126946A (sv) 1975-10-06
CS180629B2 (en) 1978-01-31
DK149648B (da) 1986-08-25
FR2223318A1 (sv) 1974-10-25
JPS50126938A (sv) 1975-10-06
OA04694A (fr) 1980-07-31
NO139954B (no) 1979-03-05
JPS50126934A (sv) 1975-10-06
AR207950A1 (es) 1976-11-22
JPS50126940A (sv) 1975-10-06
JPS50126932A (sv) 1975-10-06
JPS50126927A (sv) 1975-10-06
JPS5850939B2 (ja) 1983-11-14
CA1091021A (en) 1980-12-09
JPS50126937A (sv) 1975-10-06
US4199338A (en) 1980-04-22
JPS50126930A (sv) 1975-10-06
JPS5849497B2 (ja) 1983-11-04
JPS50126931A (sv) 1975-10-06
JPS50126933A (sv) 1975-10-06
JPS50126941A (sv) 1975-10-06
BR7402532D0 (pt) 1974-12-24
IL44271A (en) 1977-11-30
CA1060654A (en) 1979-08-21
HK43877A (en) 1977-09-09
LU69745A1 (sv) 1974-10-17
US4123243A (en) 1978-10-31
DE2414779B2 (de) 1978-06-15
JPS50126929A (sv) 1975-10-06
NO139954C (no) 1982-11-24
MY7700216A (en) 1977-12-31
DE2414779C3 (de) 1982-11-11
JPS5849498B2 (ja) 1983-11-04
AU6648674A (en) 1975-09-11
SE7404305L (sv) 1974-12-30
JPS50126939A (sv) 1975-10-06
YU319880A (en) 1983-04-30
JPS5850940B2 (ja) 1983-11-14
DK149648C (da) 1987-02-09
NO741131L (no) 1974-10-01
YU40243B (en) 1985-08-31
GB1454061A (en) 1976-10-27
US4249926A (en) 1981-02-10
BG39462A3 (en) 1986-06-16
FR2223318B1 (sv) 1978-03-03
SE408791B (sv) 1979-07-09
JPS49125632A (sv) 1974-12-02
ES424811A1 (es) 1976-12-01
US4194897A (en) 1980-03-25
JPS50126935A (sv) 1975-10-06
IT1051575B (it) 1981-05-20
NL156664B (nl) 1978-05-16
IE39070L (en) 1974-09-30
AT364066B (de) 1981-09-25
IE39070B1 (en) 1978-08-02
JPS50126936A (sv) 1975-10-06
HU175824B (hu) 1980-10-28
ATA242974A (de) 1981-02-15

Similar Documents

Publication Publication Date Title
YU39523B (en) Device for the manufacture of tibers from thermoplastic materials
AU6572374A (en) Thermoplastic materials
IL44522A0 (en) Surgical synthetic resin material
CS193036B2 (en) Device for depositing the threaded material
AU3259071A (en) Recetacle for waste material
SE389696B (sv) Forfarande for framstellning av papper innehallande plastpartiklar
IL43799A0 (en) An improved method of making filamentary material directly from the melt
AU7065274A (en) Photographic materials
ZA744795B (en) Apparatus for the treatment of synthetic resin powders
CA974115A (en) Developer material
CA988767A (en) Electrophotographic material
ZA741145B (en) Polymer materials
AU6454874A (en) Extruder
SE415952B (sv) Forfarande for framstellning av halvfuktigt fodermedel for katter
AU7530874A (en) Drawing of strandlike material
CA992600A (en) Apparatus for sensing the quantity of reclaimed developer material
CA1019713A (en) Cops made of plastic material
CA994151A (en) Photographic material for the production of equidensities
AU4842272A (en) Filter material
BE815788A (fr) Matiere filtrante en vrac
AU7429174A (en) Diaper
CA1007918A (en) Developer material
CA981965A (en) Electrophotographic material
SU606915A1 (ru) Устройство дл сухого формовани вокнистого материала
ZA727949B (en) Porous plastics materials