DE3680782D1 - Verfahren und vorrichtung zur herstellung von duennwandigen rohren. - Google Patents

Verfahren und vorrichtung zur herstellung von duennwandigen rohren.

Info

Publication number
DE3680782D1
DE3680782D1 DE8686310143T DE3680782T DE3680782D1 DE 3680782 D1 DE3680782 D1 DE 3680782D1 DE 8686310143 T DE8686310143 T DE 8686310143T DE 3680782 T DE3680782 T DE 3680782T DE 3680782 D1 DE3680782 D1 DE 3680782D1
Authority
DE
Germany
Prior art keywords
producing thin
walled tubes
walled
tubes
thin
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 - Fee Related
Application number
DE8686310143T
Other languages
English (en)
Inventor
Ellis Fabian
Enno E Agur
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE3680782D1 publication Critical patent/DE3680782D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/355—Conveyors for extruded articles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE8686310143T 1985-12-24 1986-12-24 Verfahren und vorrichtung zur herstellung von duennwandigen rohren. Expired - Fee Related DE3680782D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81319185A 1985-12-24 1985-12-24

Publications (1)

Publication Number Publication Date
DE3680782D1 true DE3680782D1 (de) 1991-09-12

Family

ID=25211716

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686310143T Expired - Fee Related DE3680782D1 (de) 1985-12-24 1986-12-24 Verfahren und vorrichtung zur herstellung von duennwandigen rohren.

Country Status (5)

Country Link
US (1) US4828770A (de)
EP (1) EP0231657B1 (de)
JP (1) JPH0767728B2 (de)
CA (1) CA1285114C (de)
DE (1) DE3680782D1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2617975B2 (ja) * 1988-03-09 1997-06-11 三菱化学株式会社 チューブ状樹脂フイルム製造法および製造装置
US5281119A (en) * 1988-11-11 1994-01-25 Japan Styrene Paper Corporation Apparatus for the production of foamed polyolefin sheets
JP2649564B2 (ja) * 1988-11-11 1997-09-03 株式会社ジェイエスピー 発泡ポリオレフィン系樹脂シートの製造方法及び製造装置
GB8827967D0 (en) * 1988-11-30 1989-01-05 Ward I M Die-free drawing
JP2592000B2 (ja) * 1989-09-01 1997-03-19 グンゼ株式会社 継目のない半導電性ベルト
JP3179116B2 (ja) * 1991-01-18 2001-06-25 三菱化学株式会社 中間転写ベルト用シームレスチューブの製造方法
US5725814A (en) * 1995-06-07 1998-03-10 Harrel, Inc. Extrusion of an article of varying content
US5695789A (en) * 1995-06-07 1997-12-09 Harrel, Inc. Apparatus for extrusion of an article of varying content
US5984888A (en) * 1995-06-07 1999-11-16 Kimberly-Clark Worldwide, Inc. Applicator and coating
US5795320A (en) * 1995-06-07 1998-08-18 Kimberly-Clark Worldwide, Inc. Paper applicator containing a compostable coating
AUPN547595A0 (en) * 1995-09-15 1995-10-12 Uponor B.V. Biaxial stretching of plastic tubes
US5882564A (en) * 1996-06-24 1999-03-16 Andersen Corporation Resin and wood fiber composite profile extrusion method
US5900690A (en) * 1996-06-26 1999-05-04 Gipson; Lamar Heath Apparatus and method for controlling an ultrasonic transducer
US5926393A (en) * 1996-10-11 1999-07-20 General Electric Company Method for designing a profile extrusion die plate for shaping a polymer resin into a profile
DE19717026C2 (de) * 1997-04-23 2001-05-17 Daimler Chrysler Ag Strangpreßvorrichtung
JP2001042657A (ja) * 1999-07-27 2001-02-16 Canon Inc ベルト状転写部材、ベルト状転写部材の製造方法及び画像形成装置
US6315011B1 (en) 2000-07-10 2001-11-13 Xerox Corporation Air-relief filter nozzle assemblies
GB0214427D0 (en) * 2002-06-21 2002-07-31 Rasmussen O B Improved method and apparatus for longitudinal orientation of a tubular thermoplastic film in molten or semimolten state
CN100396470C (zh) * 2001-10-15 2008-06-25 奥利-本特·拉斯马森 管状热塑性薄膜的纵向定向
US7597775B2 (en) * 2001-10-30 2009-10-06 Boston Scientific Scimed, Inc. Green fluoropolymer tube and endovascular prosthesis formed using same
US6814561B2 (en) * 2001-10-30 2004-11-09 Scimed Life Systems, Inc. Apparatus and method for extrusion of thin-walled tubes
WO2004062894A2 (en) * 2003-01-09 2004-07-29 Axiom Medical Inc. Apparatus and method for producing a tube of varying cross-section
US20040177579A1 (en) * 2003-03-10 2004-09-16 Innovative Construction Technologies, Inc. Reinforced foam articles
US7738993B2 (en) * 2003-10-10 2010-06-15 Boston Scientific Scimed, Inc. Extrusion of articles
CN1997587A (zh) * 2004-03-16 2007-07-11 马里奥·米歇尔·拉特勒 自通风且自冷却的可变几何形状枕头
US7883327B2 (en) * 2004-06-24 2011-02-08 Gerd Fahling Device for producing blown film
WO2007131387A1 (fr) * 2006-05-15 2007-11-22 Chen-Yin Lu Structure de paroi du type à assembler
US8087923B1 (en) 2007-05-18 2012-01-03 C. R. Bard, Inc. Extremely thin-walled ePTFE
MX2011003303A (es) * 2008-09-29 2011-08-12 David Frank Dostal Troqueles para hacer madera sintética extruida y métodos relacionados a ello.
US8414284B2 (en) 2011-01-04 2013-04-09 The Goodyear Tire & Rubber Company Extruder and roller-die combination
JP2013193383A (ja) * 2012-03-21 2013-09-30 Fuji Xerox Co Ltd 押出成形機用の形状調整機構、筒状部材の製造方法
CN104589613B (zh) * 2015-01-30 2016-10-12 杨殿宽 一种基于双向拉伸工艺的合成环保纸生产方法
CN105398025B (zh) * 2015-12-30 2018-01-30 广西师范大学 橡胶胶管挤出模
US10894612B2 (en) * 2018-06-11 2021-01-19 The Boeing Company Interdigitated heating probe
CN112099543B (zh) * 2020-08-14 2021-09-21 华南理工大学 一种运动二维多次展开板的振动控制装置及控制方法
CN112959571A (zh) * 2021-02-04 2021-06-15 深圳弘臻新材料科技有限公司 Pvc热缩管生产过程中初次成型采用的控温风盘

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA711163A (en) * 1965-06-08 A. Funnell Peter Manufacture of tubular films
US2994923A (en) * 1961-08-08 Method for cutting pipe while
US2519375A (en) * 1946-02-16 1950-08-22 Union Carbide & Carbon Corp Method and apparatus for molding tubing
DE1504299A1 (de) * 1951-01-28 1972-10-26 Gen Eng Radcliffe Verfahren zur Bildung eines Pressschlauches aus Kunststoff
DE1087317B (de) * 1955-02-28 1960-08-18 Emil Blaschke Vorrichtung zum fortlaufenden Schneiden endloser kuenstlicher Fadenbaender oder Kabel
US3061875A (en) * 1955-10-17 1962-11-06 Milo R Gerow Wind-up method and apparatus
US3084386A (en) * 1955-10-17 1963-04-09 Milo R Gerow Extrusion machines and methods for tubing and sheeting
US2966700A (en) * 1958-08-27 1961-01-03 Pont Company Of Canada 1956 Lt Production of thermoplastic seamless tubing
US3085290A (en) * 1959-12-09 1963-04-16 Resistoflex Corp Method and apparatus for producing large diameter thin wall tubing of polytetrafluoroethylene
US3171696A (en) * 1961-07-06 1965-03-02 Electro Sonic Systems Inc Apparatus for reducing friction
US3944641A (en) * 1961-10-02 1976-03-16 Lemelson Jerome H Process of forming an irregular surface on the inside of a tube or pipe
US3142865A (en) * 1961-10-26 1964-08-04 Owens Illinois Glass Co Method and apparatus for producing thermoplastic tubing and sheeting
US3246055A (en) * 1962-08-17 1966-04-12 Union Carbide Corp Applying ultrasonic vibration to thermoplastic polymers during molding
US3300555A (en) * 1962-12-03 1967-01-24 Ici Ltd Manufacture of plastic tubes
US3376181A (en) * 1963-07-31 1968-04-02 Continental Can Co Method and apparatus for blowing plastic liner in continuously formed tubes having longitudinal seam
DE1504461B2 (de) * 1964-02-21 1974-09-19 Kalle Ag, 6202 Wiesbaden-Biebrich Verfahren und Vorrichtung zur kontinuierlichen Herstellung von biaxial gestreckten, nahtlosen Schläuchen aus linearen Polyestern
GB1119552A (en) * 1965-06-15 1968-07-10 Gen Eng Radcliffe Improvements in or relating to the manufacture of plastic tubular film
FR91621E (fr) * 1965-06-19 1968-07-19 Tubes stratifiés étanches
US3364524A (en) * 1965-08-25 1968-01-23 Continental Can Co Cooling plug for continuously extruded hot tubular plastic material
FR95148E (fr) * 1965-12-14 1970-07-24 Baerlocher Chem Procédé de granulation de substances pulvérulentes insolubles dans l'eau, telles que les sels métalliques entre autres.
US3447480A (en) * 1967-07-24 1969-06-03 Bodine Albert G Method and apparatus for gravity flow casting utilizing sonic energization
US3553303A (en) * 1967-12-21 1971-01-05 Phillips Petroleum Co Extruding thermoplastic tubing
GB1249835A (en) * 1968-11-30 1971-10-13 Mitsubishi Petrochemical Co Method and apparatus for stretching film of thermoplastic synthetic plastics material
US3576051A (en) * 1969-05-14 1971-04-27 Petro Tex Chem Corp Apparatus for producing thermoplastic film
US3819790A (en) * 1969-12-22 1974-06-25 Exxon Research Engineering Co Multi-step air ring for tubular film process
US3742105A (en) * 1970-05-05 1973-06-26 S Kuroda Method for producing a seamless tubing
US3775523A (en) * 1971-03-04 1973-11-27 Fmc Corp Method and apparatus for making oriented tubular film
US3835209A (en) * 1971-11-09 1974-09-10 Owens Illinois Inc Process of extruding a foamed extrudate and controlling the thickness thereof
CA999705A (en) * 1972-02-15 1976-11-16 Osamu Uemura Method and apparatus for manufacturing tubular film from thermoplastic resin
JPS5338306B2 (de) * 1972-03-31 1978-10-14
DE2232776A1 (de) * 1972-07-04 1974-01-24 Richard Baumeister U Sohn Verfahren und vorrichtung zur herstellung von schlauchfolien aus thermoplastischem kunststoff
US3871802A (en) * 1973-06-04 1975-03-18 Owens Illinois Inc Dressing ring for tubular expanded polystyrene cooling mandrel
US4062916A (en) * 1973-09-17 1977-12-13 Imperial Chemical Industries Limited Production of tubular film
JPS5415892B2 (de) * 1975-01-06 1979-06-18
US4049768A (en) * 1976-04-09 1977-09-20 Mobil Oil Corporation Method for extending thermoplastic foams having smooth external skins
US4118453A (en) * 1976-08-30 1978-10-03 Mobil Oil Corporation Method and apparatus for the extrusion of tubular thermoplastic film
US4115048A (en) * 1976-12-27 1978-09-19 Union Carbide Corporation Apparatus for internally cooling a plastic tubular film bubble
NL7705659A (nl) * 1977-05-23 1978-07-31 Wavin Bv Werkwijze en inrichting voor het aanschuinen en/of afsteken van kunststofbuizen.
US4258113A (en) * 1977-12-27 1981-03-24 Coulter Systems Corporation Endless belt or cylinder for use with electrostatic imaging and method of making the same
US4201527A (en) * 1978-06-30 1980-05-06 Egan Machinery Company Apparatus for manufacturing tubular thermoplastic
JPS5586719A (en) * 1978-12-25 1980-06-30 Chisso Eng Kk Manufacturing device for tubular biaxial stretching film
US4270891A (en) * 1979-08-16 1981-06-02 Hopper Stephen M Take-off apparatus for formed tubular plastic film
US4494433A (en) * 1982-01-25 1985-01-22 Gerber Garment Technology, Inc. Apparatus for working on sheet material and having movable vacuum chamber
US4536365A (en) * 1983-12-22 1985-08-20 American Cyanamid Company Process for the manufacture of equally biaxially oriented film
US4698196A (en) * 1985-12-24 1987-10-06 Xerox Corporation Method and apparatus for extruding creaseless thin walled tubes

Also Published As

Publication number Publication date
US4828770A (en) 1989-05-09
JPH0767728B2 (ja) 1995-07-26
EP0231657A2 (de) 1987-08-12
EP0231657A3 (en) 1989-02-01
JPS62158015A (ja) 1987-07-14
EP0231657B1 (de) 1991-08-07
CA1285114C (en) 1991-06-25

Similar Documents

Publication Publication Date Title
DE3680782D1 (de) Verfahren und vorrichtung zur herstellung von duennwandigen rohren.
DE3683838D1 (de) Verfahren und vorrichtung zur herstellung von optischen elementen.
DE3676393D1 (de) Blasfolie und verfahren und vorrichtung zur herstellung derselben.
DE3685277D1 (de) Vorrichtung und verfahren zur herstellung von durchbrochenen vliesstoffen.
DE3888596D1 (de) Verfahren und Vorrichtung zur Herstellung von Wärmetauscherrohren.
DE3854501D1 (de) Verfahren und vorrichtung zur herstellung von profilrohren für brunnenbauwerke.
DE3575710D1 (de) Verfahren und vorrichtung zur herstellung von glasplatten.
ATE111701T1 (de) Verfahren und vorrichtung zur herstellung von borstenwaren.
DE3684762D1 (de) Vorrichtung und verfahren zur automatischen herstellung von bipolymer-kristallen.
DE3671655D1 (de) Verfahren und vorrichtung zur verkleidung von rohren.
DE3683958D1 (de) Verfahren und vorrichtung zur guetepruefung von masken.
DE3751391D1 (de) Verfahren und Vorrichtung zur Speichersteuerung.
DE3480721D1 (de) Verfahren und vorrichtung zur herstellung von einkristallen.
DE3579641D1 (de) Verfahren und vorrichtung zur kontinuierlichen herstellung von alkoxypolysiloxanen.
DE3686444D1 (de) N-fluorpyridiniumsalz und verfahren zur herstellung.
DE3673223D1 (de) Verfahren und vorrichtung zur herstellung von glaskoerpern.
DE69023410D1 (de) Verfahren und Vorrichtung zur Herstellung von Pellets.
DE3671620D1 (de) Verfahren und vorrichtung zur herstellung von glaskoerpern.
DE3870633D1 (de) Verfahren zur herstellung von butyrolactonen und von butandiolen.
DE3770728D1 (de) Verfahren und vorrichtung zur impulsechomessung.
DE3684511D1 (de) Verfahren zur herstellung von l-threonin und l-isoleucin.
DE69018964D1 (de) Verfahren und vorrichtung zur herstellung von gerippten rohren.
DE3861469D1 (de) Verfahren und vorrichtung zur herstellung von rotationssymmetrischen poroesen festkoerpern.
DE3678194D1 (de) Verfahren und vorrichtung zur herstellung eines duennen gegenstandes.
DE3578428D1 (de) Verfahren und vorrichtung zur herstellung von polyphenylenethern.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee