DE69830573D1 - Aus polytetrafluorethylen geformter gegenstand und verfahren zu dessen herstellung - Google Patents

Aus polytetrafluorethylen geformter gegenstand und verfahren zu dessen herstellung

Info

Publication number
DE69830573D1
DE69830573D1 DE69830573T DE69830573T DE69830573D1 DE 69830573 D1 DE69830573 D1 DE 69830573D1 DE 69830573 T DE69830573 T DE 69830573T DE 69830573 T DE69830573 T DE 69830573T DE 69830573 D1 DE69830573 D1 DE 69830573D1
Authority
DE
Germany
Prior art keywords
production
formed object
polytetrafluoroethylene formed
polytetrafluoroethylene
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 - Lifetime
Application number
DE69830573T
Other languages
English (en)
Other versions
DE69830573T2 (de
DE69830573T3 (de
Inventor
Shoji Kawachi
Kunihiko Honji
Tatsuro Uchida
Osamu Shirasaki
Masahiko Yamada
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13303558&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69830573(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of DE69830573D1 publication Critical patent/DE69830573D1/de
Publication of DE69830573T2 publication Critical patent/DE69830573T2/de
Application granted granted Critical
Publication of DE69830573T3 publication Critical patent/DE69830573T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0003—Moulding articles between moving mould surfaces, e.g. turning surfaces
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
    • B29C2043/043—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds rotating on their own axis without linear displacement
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B29C2071/022—Annealing
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/02—Moulding by agglomerating
    • B29C67/04—Sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/36—Folding sheets, blanks or webs by continuously feeding the sheets, blanks or webs to stationary members, e.g. plates, ploughs or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/872—Forming integral handles on bags
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69830573T 1997-03-19 1998-03-17 Aus polytetrafluorethylen geformter gegenstand und verfahren zu dessen herstellung Expired - Lifetime DE69830573T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6601097 1997-03-19
JP6601097 1997-03-19
PCT/JP1998/001116 WO1998041386A1 (fr) 1997-03-19 1998-03-17 Article en polytetrafluoroethylene moule et son procede de production

Publications (3)

Publication Number Publication Date
DE69830573D1 true DE69830573D1 (de) 2005-07-21
DE69830573T2 DE69830573T2 (de) 2006-05-18
DE69830573T3 DE69830573T3 (de) 2011-05-05

Family

ID=13303558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69830573T Expired - Lifetime DE69830573T3 (de) 1997-03-19 1998-03-17 Aus polytetrafluorethylen geformter gegenstand und verfahren zu dessen herstellung

Country Status (6)

Country Link
US (1) US6287497B1 (de)
EP (1) EP0970799B2 (de)
KR (1) KR100441808B1 (de)
CN (1) CN1090081C (de)
DE (1) DE69830573T3 (de)
WO (1) WO1998041386A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6277464B1 (en) * 1997-05-16 2001-08-21 Pall Corporation Polymeric integral net
JP3613996B2 (ja) * 1998-09-18 2005-01-26 ダイキン工業株式会社 ポリテトラフルオロエチレンブロック状成形品およびその製造方法
US6342294B1 (en) 1999-08-12 2002-01-29 Bruce G. Ruefer Composite PTFE article and method of manufacture
JP2001341138A (ja) * 2000-06-06 2001-12-11 Daikin Ind Ltd ポリテトラフルオロエチレン成形体およびその製造法
US6790213B2 (en) 2002-01-07 2004-09-14 C.R. Bard, Inc. Implantable prosthesis
KR20040099139A (ko) * 2004-05-13 2004-11-26 정동관 폴리테트라플루오르에틸렌 소결물 제조 방법 및 그방법으로 제조한 폴리테트라플루오르에틸렌 소결물
WO2010039249A1 (en) 2008-10-03 2010-04-08 C.R. Bard, Inc. Implantable prosthesis
US20100092759A1 (en) * 2008-10-13 2010-04-15 Hua Fan Fluoropolymer/particulate filled protective sheet
CN101491945B (zh) * 2009-02-19 2010-12-29 广州市东泓橡塑制品有限公司 一种超薄宽幅聚四氟乙烯定向薄膜的制备方法
US20140207075A1 (en) * 2011-05-20 2014-07-24 Coki Engineering Inc. Skived film for covering surface of plug for medical purposes, plug for medical purposes using said film, pre-filled syringe using said plug and method for producing said film
JP5782897B2 (ja) * 2011-07-26 2015-09-24 ダイキン工業株式会社 ポリテトラフルオロエチレン成形品の製造方法、ポリテトラフルオロエチレンシートの製造方法
CN102658660B (zh) * 2012-05-10 2014-04-30 天津市天塑滨海氟塑料制品有限公司 宽幅聚四氟乙烯旋削膜的制造方法
CN102990693A (zh) * 2012-12-06 2013-03-27 天津市天塑滨海氟塑料制品有限公司 用于生产聚四氟乙烯旋削膜的数控旋削机床
CN103331916B (zh) * 2013-07-10 2015-02-25 上海航飓新材料科技有限公司 大功率发电机用聚四氟乙烯绝缘引水管的加工方法及装置
US20170002156A1 (en) * 2013-11-29 2017-01-05 Daikin Industries, Ltd. Biaxially-stretched porous membrane
JP5824600B1 (ja) 2014-03-31 2015-11-25 ニチアス株式会社 成形体、及びその製造方法
CN106078131A (zh) * 2016-07-12 2016-11-09 无锡市华东电力设备有限公司 一种绝缘手柄的加工方法
CN107309430A (zh) * 2017-08-10 2017-11-03 攀枝花学院 一种大型零部件金属粉末注射成型方法
CN108773088A (zh) * 2018-05-18 2018-11-09 浙江德清科赛塑料制品有限公司 一种具有自洁功能的聚四氟乙烯保鲜膜及其制备方法
CN111942726B (zh) * 2020-06-29 2022-04-19 深圳第三代半导体研究院 一种烧结工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504174A1 (de) * 1965-03-05 1969-08-14 Deutsche Edelstahlwerke Ag Verfahren zum Sintern von poroesen Rohren
ES390897A1 (es) † 1970-05-18 1973-07-01 Polyflon Resines S P A Un metodo para moldear un articulo de polimero de etileno polifluorado.
DE3135598A1 (de) † 1981-09-09 1983-03-17 Hoechst Ag, 6000 Frankfurt "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"
US4478898A (en) * 1982-06-04 1984-10-23 Junkosha Co., Ltd. Laminated porous polytetrafluoroethylene tube and its process of manufacture
JPS6015663B2 (ja) * 1982-11-12 1985-04-20 大日精化工業株式会社 吸熱用液体
CN1044616A (zh) * 1989-01-30 1990-08-15 上海市有机氟材料研究所 无油拉伸聚四氟乙烯生料带生产工艺
US5009825A (en) † 1989-06-30 1991-04-23 Mark Lurie Production of extruded round rod
FR2662632B1 (fr) * 1990-05-30 1992-10-30 Plastic Omnium Cie Procede pour la realisation de tubes minces en resine fluoree notamment en polytetrafluorethylene.
JP2877944B2 (ja) * 1990-11-20 1999-04-05 日本バルカー工業株式会社 ポリテトラフルオロエチレン樹脂成形品の製造方法
JPH0615663A (ja) * 1992-07-01 1994-01-25 Nitto Denko Corp 筒状フツ素樹脂成形体とその製造法
JPH06182791A (ja) † 1992-12-15 1994-07-05 Nitto Denko Corp ポリテトラフルオロエチレン成形体の製造法
DE4336175C1 (de) * 1993-10-22 1994-10-06 Juergen Lenzenbach Verfahren zum Herstellen einer rotationssymmetrischen, dünnwandigen Ummantelung
US5979509A (en) * 1994-09-15 1999-11-09 Teepak Investments, Inc. Method and apparatus for smoothening the surface of shirred food casings
US5683639A (en) † 1996-10-03 1997-11-04 E. I. Du Pont De Nemours And Company Shortened sintering cycle for molded polytetrafluoroethylene articles

Also Published As

Publication number Publication date
DE69830573T2 (de) 2006-05-18
EP0970799A1 (de) 2000-01-12
EP0970799B1 (de) 2005-06-15
KR100441808B1 (ko) 2004-07-27
CN1250410A (zh) 2000-04-12
CN1090081C (zh) 2002-09-04
KR20000075899A (ko) 2000-12-26
WO1998041386A1 (fr) 1998-09-24
EP0970799B2 (de) 2010-09-08
US6287497B1 (en) 2001-09-11
EP0970799A4 (de) 2003-05-21
DE69830573T3 (de) 2011-05-05

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