ES2011346A6 - Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico. - Google Patents
Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico.Info
- Publication number
- ES2011346A6 ES2011346A6 ES8801917A ES8801917A ES2011346A6 ES 2011346 A6 ES2011346 A6 ES 2011346A6 ES 8801917 A ES8801917 A ES 8801917A ES 8801917 A ES8801917 A ES 8801917A ES 2011346 A6 ES2011346 A6 ES 2011346A6
- Authority
- ES
- Spain
- Prior art keywords
- injection
- improved seal
- plastic material
- piston
- extrusion apparatus
- 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
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/52—Non-return devices
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/45—Axially movable screws
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/52—Non-return devices
- B29C2045/524—Flexible valves
-
- 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
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7879—Resilient material valve
- Y10T137/7888—With valve member flexing about securement
- Y10T137/789—Central mount
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
CIERRE PERFECCIONADO PARA HUSILLOS DE PISTON EN LAS MAQUINAS DE INYECCION Y EXTRUSION DE PLASTICO. EL CIERRE PERFECCIONADO OBJETO DE LA PRESENTE SOLICITUD, CONSISTE EN UN TAPON DE LANZA DE CONFIGURACION SENSIBLEMENTE CONICA QUE SE PROLONGA EN OTRA ZONA CILINDRICA EN CUYA PARTE ANTERIOR Y EN LA BASE DE LA ZONA CONICA EXISTEN UNOS LABIOS EXPANSIBLES LOS CUALES EN EL MOMENTO DE ADELANTYARSE EL HUSILLO HACIA LA DIRECCION DE INYECCION POR EFECTO DEL PISTON PRODUCE UN EFECTO QUE SE TRADUCE EN CIERRE MEDIANTE LA TOLERANCIA YA PREESTABLECIDA QUE PERMITE EL PASO DEL PLASTICO DURANTE LA CARGA Y CIERRA EN EL MOMENTO DE LA INYECCION, DADO QUE EL MATERIAL DE ACERO ESPECIAL TRATADO ES ELASTICO DE INYECCION, CON EL ESPACIO NECESARIO ENTRE LA RECAMARA DE INYECCION Y LA PUNTA DE LANZA SEGUN PECULIARIDADES ESPECIFICAS Y QUIMICAS DEL PLASTICO, COLOR Y PIEZA A MOLDEAR.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8801917A ES2011346A6 (es) | 1988-05-12 | 1988-05-12 | Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico. |
US07/220,669 US4966539A (en) | 1988-05-12 | 1988-07-18 | Seal for piston screws in plastics injection and extrusion apparatus |
EP88500075A EP0341366A3 (en) | 1988-05-12 | 1988-07-28 | An improved seal for piston screws in plastics injection and extrusion apparatus |
JP63192600A JPH01291916A (ja) | 1988-05-12 | 1988-08-01 | プラスチックの射出成形機又は押出し成形機におけるスクリューの密閉手段 |
PT88611A PT88611A (pt) | 1988-05-12 | 1988-09-28 | Improved joint for piston spindles in plastic injection and extrusion machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8801917A ES2011346A6 (es) | 1988-05-12 | 1988-05-12 | Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2011346A6 true ES2011346A6 (es) | 1990-01-01 |
Family
ID=8256901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8801917A Expired - Lifetime ES2011346A6 (es) | 1988-05-12 | 1988-05-12 | Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4966539A (es) |
EP (1) | EP0341366A3 (es) |
JP (1) | JPH01291916A (es) |
ES (1) | ES2011346A6 (es) |
PT (1) | PT88611A (es) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0298421A (ja) * | 1988-10-04 | 1990-04-10 | Toyo Mach & Metal Co Ltd | 射出成形機の射出制御方法 |
CA2015639C (en) * | 1990-04-27 | 1993-08-10 | Changize Sadr | Process and apparatus for molding foamed plastic article |
WO1992005939A1 (en) * | 1990-10-06 | 1992-04-16 | Seiki Corporation | Process and apparatus for injection molding with melt filtration |
US5164207A (en) * | 1991-11-08 | 1992-11-17 | Spirex Corporation | Plastic extruder with automatic shut-off valve |
US5356281A (en) * | 1992-08-10 | 1994-10-18 | Three Bond Co., Ltd. | Screw-type resin injection apparatus for injection molding |
US5518672A (en) * | 1994-05-31 | 1996-05-21 | Randcastle Extrusion Systems, Inc. | Extrusion surge controller and method |
US5486328A (en) * | 1994-05-31 | 1996-01-23 | Randcastle Extrusion Systems, Inc. | Extrusion surge suppressor and method |
US5957576A (en) * | 1995-06-30 | 1999-09-28 | Sumitomo Bakelite Company Limited | Screw for in-line screw type thermosetting resin injection molding machine |
EP0978365A1 (en) * | 1998-08-05 | 2000-02-09 | Sumitomo Heavy Industries, Ltd. | Back-flow prevention apparatus |
JP3250183B2 (ja) * | 1999-01-18 | 2002-01-28 | 日精樹脂工業株式会社 | 射出装置 |
US6168411B1 (en) | 1999-03-18 | 2001-01-02 | Dynisco Extrusion, Inc. | Polymer filtration method and apparatus |
JP3549101B2 (ja) * | 2000-06-16 | 2004-08-04 | 日精樹脂工業株式会社 | 逆流防止弁を備えた射出装置 |
US6957953B2 (en) * | 2003-02-20 | 2005-10-25 | Graham Packaging Company, L.P. | Reservoir reducing screw tip |
US7291006B2 (en) * | 2004-06-24 | 2007-11-06 | Husky Injection Molding Systems Ltd. | Check valve lip seal for an injection molding machine |
US7357172B2 (en) * | 2004-06-28 | 2008-04-15 | Husky Injection Molding Systems Ltd. | Check valve with a spiral coil seal |
DE102004051105A1 (de) * | 2004-10-19 | 2006-04-27 | Billion S.A. | Plastifizier- und Einspritzvorrichtung |
US8348661B2 (en) * | 2008-12-10 | 2013-01-08 | Husky Injection Molding Systems Ltd. | Check valve for an injection molding machine |
US11306833B2 (en) * | 2018-05-26 | 2022-04-19 | Eos Energy Storage, Llc | Pressure relief valve assembly |
DE102020105363A1 (de) * | 2020-02-28 | 2021-09-02 | Hans Weber Maschinenfabrik Gmbh | Extrusionseinrichtung zur extrusionsbasierten Herstellung wenigstens eines dreidimensionalen Objekts |
US11469528B1 (en) * | 2021-04-28 | 2022-10-11 | Dinkle Enterprise Co., Ltd. | Terminal block with elastic retracting fixation member |
CN113858584B (zh) * | 2021-09-08 | 2024-03-29 | 安徽振风之家新型材料有限公司 | 一种废弃pvc发泡挤出螺杆的改造方法及螺杆 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB559460A (en) * | 1942-07-13 | 1944-02-21 | Hordern Richmond Aircraft Ltd | Improvements in, or relating to, presses for moulding or consolidating material |
FR1371174A (fr) * | 1962-01-04 | 1964-09-04 | Gelusema Anstalt | Machine de moulage par injection à piston |
DE1529996A1 (de) * | 1965-09-09 | 1969-10-30 | Krauss Maffei Ag | Rueckstroemsperre |
US3593375A (en) * | 1968-10-11 | 1971-07-20 | Borg Warner | Plasticizing and working machine |
CH512987A (de) * | 1969-09-04 | 1971-09-30 | Buehler Ag Geb | Verfahren und Vorrichtung zum Spritzgiessen von Kunststoff zu geschäumten Gegenständen |
US3936038A (en) * | 1974-08-14 | 1976-02-03 | Package Machinery Company | Mixer for plastic injection molding machine |
DE2854768A1 (de) * | 1978-12-19 | 1980-06-26 | Battenfeld Maschfab | Verschlussvorrichtung zwischen der schneckenspitze und dem dosierzylinder einer schneckenkolben-spritzgiessmaschine |
US4355905A (en) * | 1980-03-24 | 1982-10-26 | The Dow Chemical Company | Adjustable plug seal mechanism for heat transfer zone separation in hollow screws for extrusion machines |
FR2483842A1 (fr) * | 1980-06-10 | 1981-12-11 | Woltz Rene | Procede et dipsositif d'extrusion a plusieurs etages superposes ou " en cascades " |
US4447156A (en) * | 1981-08-31 | 1984-05-08 | Northern Lights Trust | Modular mixing apparatus including interchangeable fluid processing means |
DE3203762A1 (de) * | 1982-02-04 | 1983-08-11 | Krauss-Maffei AG, 8000 München | Rueckstroemsperre |
US4472058A (en) * | 1983-02-04 | 1984-09-18 | Pirro Armand A | Injection assembly for a molding machine |
JPS6056520A (ja) * | 1983-09-07 | 1985-04-02 | Mitsubishi Electric Corp | トランスフア−モ−ルド装置 |
US4557683A (en) * | 1984-05-22 | 1985-12-10 | Usm Corporation | Rotary plasticator ram injection machine |
US4609006A (en) * | 1984-11-29 | 1986-09-02 | American Standard Inc. | Diverter |
US4558954A (en) * | 1984-12-12 | 1985-12-17 | Barr Robert A | Extruder screw and positive displacement wave pump assembly |
-
1988
- 1988-05-12 ES ES8801917A patent/ES2011346A6/es not_active Expired - Lifetime
- 1988-07-18 US US07/220,669 patent/US4966539A/en not_active Expired - Fee Related
- 1988-07-28 EP EP88500075A patent/EP0341366A3/en not_active Withdrawn
- 1988-08-01 JP JP63192600A patent/JPH01291916A/ja active Pending
- 1988-09-28 PT PT88611A patent/PT88611A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0341366A3 (en) | 1989-12-13 |
EP0341366A2 (en) | 1989-11-15 |
US4966539A (en) | 1990-10-30 |
JPH01291916A (ja) | 1989-11-24 |
PT88611A (pt) | 1989-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000601 |