[특허]Apparatus for injection molding of multi-layer bodies of thermoplastic

[미국특허] Apparatus for injection molding of multi-layer bodies of thermoplastic 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29F-001/12
출원번호	US-0503653 (1974-09-06)
우선권정보	DT-2346135 (1973-09-13)
발명자 / 주소	Eckardt Helmut (Hilchenbach-Dahlbruch DT)
출원인 / 주소	Schloemann-Siemag Aktiengesellschaft (Dusseldorf DT 03)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

Method and apparatus for the intermittent manufacture of multi-layer molded bodies of thermoplastic material with a foamed core and an unfoamed shell, wherein a strand of a nonfoaming plastic of ring-shaped cross-section enclosing a strand of plastic containing a foaming agent is injected into a mol

대표청구항 ▼

Apparatus for the injection molding of multilayer bodies of thermoplastic, comprised of a. a nozzle having a peripheral edge defining a central opening (7) adapted to be placed in communication with the sprue of a mold, the opening having an axis, b. an outer sleeve (11) mounted within the edge for movement along the axis to form with the peripheral edge an outer ring nozzle (20), the sleeve shape conforming to the peripheral edge to allow sealing of the outer ring nozzle when the outer sleeve is in a closed position with respect to the edge and opening of the outer ring nozzle when the outer sleeve is in an open position with respect to the edge, c. an inner sleeve (25) mounted within the outer sleeve for movement along the axis to form with the outer sleeve an inner ring nozzle, the inner sleeve shape-conforming to the outer sleeve to allow sealing of the inner ring nozzle when the inner sleeve is in a closed position with respect to the outer sleeve and opening of the inner ring nozzle when the inner sleeve is in an open position with respect to the outer sleeve, d. a pin (34) mounted within the inner sleeve for movement along the axis to form with the inner sleeve a central nozzle, this pin shape-conforming to the inner sleeve to allow sealing of the central nozzle when the pin is in a closed position with respect to the inner sleeve and opening of the central nozzle when the pin is in an open position with respect to the inner sleeve, e. a first source of fluid thermoplastic of a first type, f. a second source, distinct from the first source, of fluid thermoplastic of a second type, g. a first conduit which carries thermoplastic from the first source to the outer ring nozzle and central nozzle, h. a second conduit which carries thermoplastic from the second source to the inner ring nozzle, the conduits being separate so that there is no intermixing of the thermoplastics of the first and second type prior to reaching the nozzles, i. a drive actuator connected to the edge, sleeves, and pin and adapted to selectively cause the edge, sleeves, and pin to move with respect to one another.

이 특허를 인용한 특허 (48) 인용/피인용 타임라인 분석

Gellert, Jobst U.; Babin, Denis L., Apparatus and method for multi-layer injection molding.
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Gellert, Jobst U.; Babin, Denis L., Apparatus and method for multi-layer injection molding.
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Jobst U. Gellert CA; Denis L. Babin CA; Itsuto Nakanishi CA, Apparatus and method for multi-layer injection molding.
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Eckardt Helmut (Hilchenbach-Allenbach DEX) Ehritt Jrgen (Hilchenbach-Allenbach DEX), Apparatus for forming plastic.
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Kudert Frederick G. (Niles IL) Latreille Maurice G. (Batavia IL) McHenry Robert J. (St. Charles IL) Nahill George F. (Crystal Lake IL) Pfutzenreuter ; III Henry (Alta Loma CA) Tennant William A. (Sch, Apparatus for injection molding and injection blow molding multi-layer articles.
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Kudert Frederick G. (Niles IL) Latreille Maurice G. (Batavia IL) McHenry Robert J. (St. Charles IL) Nahill George F. (Crystal Lake IL) Pfutzenreuter ; III Henry (Alta Loma CA) Tennant William A. (Sch, Apparatus for injection molding and injection blow molding multi-layer articles.
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Kudert Frederick G. (Niles IL) Latreille Maurice G. (Batavia IL) McHenry Robert J. (St. Charles IL) Nahill George F. (Crystal Lake IL) Pfutzenreuter ; III Henry (Alta Loma CA) Tennant William A. (Sch, Apparatus for injection molding and injection blow molding multi-layer articles.
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Kudert Frederick G. ; Latreille Maurice G. ; McHenry Robert J. ; Nahill George F. ; Pfutzenreuter ; III Henry ; Tennant William A. ; Tung Thomas T. ; Vella ; Jr. John, Apparatus for injection molding and injection blow molding multi-layer articles.
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Kudert, Frederick G.; Latreille, Maurice G.; McHenry, Robert J.; Nahill, George F.; Pfutzenreuter, III, Henry; Tennant, William A.; Tung, Thomas T.; Vella, Jr., John, Apparatus for injection molding and injection blow molding multi-layer articles.
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Kudert Frederick G. (Niles IL) Latreille Maurice G. (Batavia IL) McHenry Robert J. (St. Charles IL) Nahill George F. (Crystal Lake IL) Pfutzenreuter ; III Henry (Alta Loma CA) Tennant William A. (Sch, Apparatus for injection molding multi-layer articles.
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Kudert Frederick G. ; Latreille Maurice G. ; McHenry Robert J. ; Nahill George F. ; Pfutzenreuter ; III Henry ; Tennant William A. ; Tung Thomas T. ; Vella ; Jr. John, Apparatus for injection molding multi-layer articles.
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Yasuike ; Akio ; Kataoka ; Hiroshi ; Fujikawa ; Tutomu ; Suzuki ; Naoto, Apparatus for injection molding synthetic resin materials.
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McHenry Robert J. (St. Charles IL) Ryan Martin A. (Dunwoody GA), Apparatus for making a multi-layer injection blow molded container.
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McHenry Robert J. (St. Charles IL) Ryan Martin A. (Geneva IL), Apparatus for making a multi-layer injection blow molded container.
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Bemis Peter F. (Sheboygan WI) Cykana Daniel (Sheboygan WI) Albrecht Loren C. (Sheboygan WI) Swart Gerald W. (Sheboygan Falls WI), Co-injection manifold for injection molding.
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Bemis, Peter F.; Berg, Gary Vande; Kolste, Steven, Co-injection methods using endothermic-blowing agents and products made therefrom.
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York, Geoffrey; Shabudin, Esak, Co-injection moulding.
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Babin, Denis; Gammon, Scott, Coinjection hot runner injection molding system.
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Ten, Valery; Fairy, Fabrice, Coinjection hot runner injection molding system.
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Ten, Valery; Fairy, Fabrice; Babin, Denis; Gammon, Scott, Coinjection hot runner injection molding system.
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Ten, Valery; Fairy, Fabrice; Babin, Denis; Gammon, Scott, Coinjection hot runner injection molding system.
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Ten, Valery; Fairy, Fabrice; Babin, Denis; Gammon, Scott, Coinjection hot runner injection molding system.
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Fairy, Fabrice, Coinjection molding apparatus and related hot-runner nozzle.
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King, James M.; Benz, Walter, Device and method for surface replication.
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Keck,Ed; Bridgen,Dale E., Dual injection manifold.
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Fukabori, Hotaka; Imatani, Tsuneo; Etoh, Makoto; Watanabe, Kazunobu, Extrusion feed device for composite resin and composite resin mass.
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Silkowski George ; Greb Scott, Fluid assist valve-gate bushing with concentric pin members.
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Ozeki Hirofumi (Hashima JPX) Kambe Takahide (Gifu JPX), Hot-runner mold for injection molding.
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Fairy, Fabrice, Injection molding apparatus having movable yoke plate.
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Rose Thomas J. (Stow OH), Injection molding peripheral opening core ring gate.
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Kudert Frederick G. (Niles IL) Latreille Maurice G. (Batavia IL) McHenry Robert J. (St. Charles IL) Nahill George F. (Crystal Lake IL) Pfutzenreuter ; III Henry (Alta Loma CA) Tennant William A. (Sch, Method for injection molding multi-layer articles.
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Eckardt Helmut (Meinerzhagen DEX) Ehritt Jrgen (Hilchenbach-Msen DEX) Bockenheimer Alexander (Wipperfrth DEX) Teschner Rainer (Meinerzhagen DEX), Method for manufacturing multilayer molded articles.
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Monnet Bernard Leon (Bellignat FR), Method of injection-moulding by injection of an article composed of at least three different materials.
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Kudert Frederick G. ; Latreille Maurice G. ; McHenry Robert J. ; Nahill George F. ; Pfutzenreuter ; III Henry ; Tennant William A. ; Tung Thomas T. ; Vella ; Jr. John, Methods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made ther.
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McHenry Robert J. ; Pfutzenreuter ; III Henry ; Tung Thomas T. ; Vella ; Jr. John, Methods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made thereby.
상세보기
Kudert Frederick G. ; Latreille Maurice G. ; McHenry Robert J. ; Nahill George F. ; Pfutzenreuter ; III Henry ; Tennant William A. ; Tung Thomas T. ; Vella ; Jr. John, Methods and apparatus for injection molding and injection blow molding multi-layer plastic and the articles made thereby.
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Kudert Frederick G. (Niles IL) Latreille Maurice G. (Batavia IL) McHenry Robert J. (St. Charles IL) Nahill George F. (Crystal Lake IL) Pfutzenreuter ; III Henry (Loma CA) Tennant William A. (Schaumbu, Methods for injection molding and injection blow molding multi-layer articles.
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McHenry Robert J. (St. Charles IL) Seebohm Robert (Barrington IL), Multi-layer container and method of making same.
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Proksa Ferdinand (Leverkusen DEX) Sulzbach Hans-Michael (Koenigswinter DEX) Raffel Reiner (Siegburg DEX) Althausen Ferdinand (Neunkirchen DEX), Nozzle for mixing at least two flowable reaction components.
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Proksa Ferdinand (Leverkusen DEX) Sulzbach Hans-Michael (Koenigswinter DEX) Raffel Reiner (Siegburg DEX) Althausen Ferinand (Neunkirchen DEX), Nozzle for the mixing of at least two flowable reaction components and process for operating such nozzle.
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Sabin, Douglas; Swenson, Paul, Optimized flow to prevent core layer breakthrough.
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Gellert Jobst U.,CAX ; Babin Denis L.,CAX ; Zhuang Helen Qun,CAX, Seepage system for an injection molding apparatus.
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Paul R. Matysek CA, Shuttle system for an apparatus for injection molding.
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Cadario, Vittorio; Bürke, Harald; Schweiger, Marcel; Rheinberger, Volker, System for preparing dental restorations.
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Kobayashi Hidenori (Tokyo JPX) Suwabe Moriaki (Tokyo JPX) Inakazu Nobuhiro (Tokyo JPX) Nagamatsu Hatsuo (Tokyo JPX), Three-layered container, a method and apparatus thereof.
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Babin,Denis, Tight pitch nozzle with individual valve gate control.
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Spence Steven E. (McPherson KS) Shamet Robert F. (McPherson KS) Da Silva Flavio (McPherson KS) Eigruber Horst (McPherson KS), Triple-wall foam coextrusion apparatus.
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Demia, Laurent; Petite, Michel, Volumetric liquid meter having a part of the chamber formed with multi-materials.
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[미국특허] Apparatus for injection molding of multi-layer bodies of thermoplastic 원문보기

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[미국특허] Apparatus for injection molding of multi-layer bodies of thermoplastic 원문보기

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이 특허를 인용한 특허 (48) 인용/피인용 타임라인 분석

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