DE2736617C2 - Vorrichtung zum Fördern von Werkstücken aus einem Unterdruckraum in eine Umgebung mit atmosphärischem Druck - Google Patents

Vorrichtung zum Fördern von Werkstücken aus einem Unterdruckraum in eine Umgebung mit atmosphärischem Druck

Info

Publication number
DE2736617C2
DE2736617C2 DE2736617A DE2736617A DE2736617C2 DE 2736617 C2 DE2736617 C2 DE 2736617C2 DE 2736617 A DE2736617 A DE 2736617A DE 2736617 A DE2736617 A DE 2736617A DE 2736617 C2 DE2736617 C2 DE 2736617C2
Authority
DE
Germany
Prior art keywords
conveyor
workpieces
conveyor belt
workpiece
liquid
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
DE2736617A
Other languages
German (de)
English (en)
Other versions
DE2736617A1 (de
Inventor
Arthur L. Los Osos Calif. Phipps
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.)
Condec Corp
Original Assignee
Condec 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 Condec Corp filed Critical Condec Corp
Publication of DE2736617A1 publication Critical patent/DE2736617A1/de
Application granted granted Critical
Publication of DE2736617C2 publication Critical patent/DE2736617C2/de
Expired 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • B29C44/3407—Vacuum extrusion using underwater barometric leg
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
    • 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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/06—Vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
DE2736617A 1975-08-11 1977-08-13 Vorrichtung zum Fördern von Werkstücken aus einem Unterdruckraum in eine Umgebung mit atmosphärischem Druck Expired DE2736617C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/603,715 US4044084A (en) 1975-08-11 1975-08-11 Method of removing an article from a chamber having a reduced pressure therein

Publications (2)

Publication Number Publication Date
DE2736617A1 DE2736617A1 (de) 1979-02-22
DE2736617C2 true DE2736617C2 (de) 1985-03-14

Family

ID=24416620

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2736617A Expired DE2736617C2 (de) 1975-08-11 1977-08-13 Vorrichtung zum Fördern von Werkstücken aus einem Unterdruckraum in eine Umgebung mit atmosphärischem Druck

Country Status (4)

Country Link
US (1) US4044084A (enExample)
DE (1) DE2736617C2 (enExample)
FR (1) FR2400471A1 (enExample)
GB (1) GB1591334A (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199310A (en) * 1978-07-10 1980-04-22 Condec Corporation Extrusion apparatus
US4211739A (en) * 1978-07-10 1980-07-08 Condec Corporation Foam extrusion apparatus and method
US4234529A (en) * 1978-12-18 1980-11-18 Condec Corporation Method and apparatus for shaping plastic foams
US4247276A (en) * 1979-08-27 1981-01-27 Condec Corporation Vacuum extrusion apparatus for forming foamed plastic products
US4271107A (en) * 1979-11-05 1981-06-02 Condec Corporation Foam extrusion apparatus and method
US4321230A (en) * 1980-06-05 1982-03-23 Mobil Oil Corporation Process for recovering film from pressurized extrusion zone
US4395214A (en) * 1981-08-27 1983-07-26 U.C. Industries Foam extrusion apparatus having downstream upper and lower hinged shaping means and side restraining means
AT381479B (de) * 1982-04-07 1986-10-27 Micheluzzi Kurt Einrichtung zum abbeizen von farbtraegern
US4533289A (en) * 1982-06-08 1985-08-06 Foster-Miller Associates, Inc. Sealing and liquid displacement systems for a linear pocket feeder
US4469652A (en) * 1982-09-20 1984-09-04 U.C. Industries Foam extrusion apparatus and method
US4486369A (en) * 1983-11-09 1984-12-04 Condec Corporation Controlled environment extrusion apparatus and method
US4783291A (en) * 1987-08-03 1988-11-08 U.C. Industries, Inc. Method and apparatus for foam extrusion into a vacuum chamber having a liquid baffle with control of the liquid level
JP2636378B2 (ja) * 1988-11-04 1997-07-30 ユー・シー・インダストリーズ・インコーポレーテッド 発泡体押出装置および方法
EP0385349B1 (en) * 1989-02-28 1995-06-07 U.C. Industries, Inc. Process for preparing extruded foam bodies
AT400939B (de) * 1992-05-11 1996-04-25 Horacek Heinrich Dr Verfahren zur kontinuierlichen herstellung von polyurethanschaumstoffblöcken unter vermindertem atmosphärendruck
US5645861A (en) * 1995-08-07 1997-07-08 The Conair Group, Inc. Guide roller assembly for a vacuum sizing tank
US6036468A (en) 1997-08-21 2000-03-14 Owens Corning Fiberglas Technology, Inc. Vacuum extrusion system
US5753161A (en) * 1996-08-14 1998-05-19 Owens-Corning Fiberglas Technology, Inc. Vacuum extrusion system and method
US6093350A (en) * 1996-08-14 2000-07-25 Owens Corning Fiberglas Technology, Inc. Sealable chamber extrusion apparatus and method with process controls
US5783122A (en) * 1996-08-14 1998-07-21 Owens Corning Fiberglas Technology, Inc. Vacuum extrusion apparatus and method
DE19961306C2 (de) * 1999-12-18 2002-10-31 Veka Ag Extrusionsvorrichtung
US8557884B2 (en) * 2002-05-31 2013-10-15 Owens Corning Intellectual Capital, Llc To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof
US7150614B2 (en) * 2003-12-18 2006-12-19 Owens Corning Fiberglas Technology, Inc. Horizontal vacuum chamber seal control device
EP1602273B1 (fr) * 2004-06-03 2007-03-21 Eberhard Kertscher Installation de fabrication de tuyaux d'irrigation goutte à goutte

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1619768A (en) * 1925-07-02 1927-03-01 Brysilka Ltd Manufacture of artificial silk
US1990434A (en) * 1928-12-12 1935-02-05 Kohler Conrad Insulating material
DE1504148A1 (de) * 1963-10-14 1969-09-25 Dynamit Nobel Ag Verfahren und Vorrichtung zum Aufschaeumen von thermoplastischen Kunststoffen
US3586645A (en) * 1964-08-20 1971-06-22 Syndetic Research Associates I Thermoplastic cellular material frocesses and products
FR94389E (fr) * 1966-09-07 1969-08-08 Ugine Kuhlmann Procédé et dispositif pour l'extrusion des matieres plastiques expansibles.
US3558753A (en) * 1967-11-13 1971-01-26 Int Plastics Method of producing a porous resin by withdrawing gas from a foam extrudate while it is in a semi-molten state
GB1233088A (enExample) * 1968-07-19 1971-05-26
US3704083A (en) * 1970-06-18 1972-11-28 Arthus L Phipps Extrusion machine
US3822331A (en) * 1971-12-10 1974-07-02 Grace W R & Co Continuous process for making low density thermoplastic foam

Also Published As

Publication number Publication date
FR2400471A1 (fr) 1979-03-16
FR2400471B1 (enExample) 1984-10-19
GB1591334A (en) 1981-06-17
US4044084A (en) 1977-08-23
DE2736617A1 (de) 1979-02-22

Similar Documents

Publication Publication Date Title
DE2736617A1 (de) Verfahren und vorrichtung zum foerdern von werkstuecken aus einem unterdruckraum in eine umgebung mit atmosphaerischem druck
DE2226635B2 (de) Schwimmfähige Vorrichtung zur Beseitigung von auf der Oberfläche eines Gewässers treibenden Verunreinigungen
DE2246187A1 (de) Verfahren und vorrichtung zur erhoehung des sauerstoffgehaltes einer stroemenden fluessigkeit
DE3536862C2 (enExample)
DE1652513B2 (de) Maschine zum Zersägen von zerbrechlichen, insbesondere kristallinen Materialien
DE112008001312T5 (de) Vorrichtung und Verfahren, um Wafer einer Flüssigkeit auszusetzen
DE1810599A1 (de) Fontaenenbeschichter
DE1961026B2 (de) Entwicklungsvorrichtung fotografischer schichttraeger
DE1897271U (de) Foerdereinrichtung fuer blatt- und streifenfoermiges photomaterial in entwicklungsautomaten.
DE1719491C2 (de) Vorrichtung zur Absorption von Gas durch Flüssigkeit
DE1925673C3 (de) Fördervorrichtung
EP0085326B1 (de) Vorrichtung zum Aufwärtsfördern von Feststoffpartikeln mittels eines Gas/Flüssigkeits-Gemisches
DE102015112599B4 (de) Aufgabevorrichtung zur Aufgabe von Fördergut auf ein Förderband
DE3132517A1 (de) Kettenfoerderer
DE1169648B (de) Vorrichtung zur Herstellung von Schaumstoff-bloecken oder -straengen beliebiger Laenge auf Polyurethanbasis
DE2425190C2 (de) Transportwalzenpaar in einer Durchlauf-Entwicklungseinrichtung für Filmmaterial
DE1952429B2 (de) Foerdervorrichtung
DE1291680B (de) Pneumatische Anlage zum Foerdern plattenfoermiger Gegenstaende
DE2655115C2 (de) Vorrichtung zum kontinuierlichen Herstellen von Schaumstoffstrangprofilen, insbesondere auf Polyurethanbasis
DE1597705C (de) Sprühvorrichtung zum Behandeln von lichtempfindlichem Film
DE6604076U (de) Anlage zur foerderung plattenfoermiger gegenstaende
DE2305806A1 (de) Vorrichtung zum herstellen von holzwolle
DE1902566C (de) Vorrichtung zum Imprägnieren von vor gefertigten Faserbahnen, insbesondere Glasfaserbahnen, mit flussigem Kunstharz
DE2221617C3 (de) Vorrichtung zur Herstellung von Schaumstoffen mit viereckigem Querschnitt
DE4440586C2 (de) Vorrichtung und Verfahren zur Reinigung von Flüssigkeit beispielsweise mit Schadstoffen belasteten Grundwassers

Legal Events

Date Code Title Description
OD Request for examination
8127 New person/name/address of the applicant

Owner name: CONDEC CORP., OLD GREENWICH, CONN., US

D2 Grant after examination
8364 No opposition during term of opposition