CA2143041C - Methode pour l'injection-moulage de poly(terephtalate d'ethylene - Google Patents

Methode pour l'injection-moulage de poly(terephtalate d'ethylene Download PDF

Info

Publication number: CA2143041C
Authority: CA; Canada
Prior art keywords: injection; pet; screw; molding; vent
Prior art date: 1994-03-07
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

CA002143041A

Other languages

English (en)

Other versions

CA2143041A1 (fr

Inventor

Hidemi Aoki

Yasuhiko Takeuchi

Kazuo Anzai

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.)

Nissei Plastic Industrial Co Ltd

Original Assignee

Nissei Plastic Industrial Co 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.)

1994-03-07

Filing date

1995-02-21

Publication date

2005-05-10

1995-02-21 Application filed by Nissei Plastic Industrial Co Ltd filed Critical Nissei Plastic Industrial Co Ltd

1995-02-21 Priority to CA002480523A priority Critical patent/CA2480523C/fr

1995-09-08 Publication of CA2143041A1 publication Critical patent/CA2143041A1/fr

2005-05-10 Application granted granted Critical

2005-05-10 Publication of CA2143041C publication Critical patent/CA2143041C/fr

2015-02-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229920000139 polyethylene terephthalate Polymers 0.000 title claims abstract description 49
239000005020 polyethylene terephthalate Substances 0.000 title claims abstract description 49
238000001746 injection moulding Methods 0.000 title claims abstract description 28
238000000034 method Methods 0.000 title claims abstract description 14
-1 polyethylene terephthalate Polymers 0.000 title claims abstract description 12
238000002347 injection Methods 0.000 claims abstract description 60
239000007924 injection Substances 0.000 claims abstract description 60
239000000463 material Substances 0.000 claims abstract description 50
239000012778 molding material Substances 0.000 claims description 47
230000002093 peripheral effect Effects 0.000 claims description 9
238000011084 recovery Methods 0.000 claims description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
238000001816 cooling Methods 0.000 claims description 6
239000012809 cooling fluid Substances 0.000 claims description 5
238000005192 partition Methods 0.000 claims description 4
238000000465 moulding Methods 0.000 description 18
229920005989 resin Polymers 0.000 description 8
239000011347 resin Substances 0.000 description 8
230000006835 compression Effects 0.000 description 6
238000007906 compression Methods 0.000 description 6
238000001125 extrusion Methods 0.000 description 4
239000008188 pellet Substances 0.000 description 4
239000002994 raw material Substances 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 3
230000001788 irregular Effects 0.000 description 3
239000000843 powder Substances 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 2
238000001514 detection method Methods 0.000 description 2
238000005265 energy consumption Methods 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
230000007062 hydrolysis Effects 0.000 description 2
238000006460 hydrolysis reaction Methods 0.000 description 2
229920005992 thermoplastic resin Polymers 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 1
239000000498 cooling water Substances 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000011835 investigation Methods 0.000 description 1
238000004898 kneading Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
238000010298 pulverizing process Methods 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
230000008016 vaporization Effects 0.000 description 1

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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- 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
- B29C45/63—Venting or degassing means
- 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
- B29C45/76—Measuring, controlling or regulating
- 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
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
- 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
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
- 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
- B29C48/92—Measuring, controlling or regulating
- 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
- B29C2948/92009—Measured parameter
- B29C2948/92019—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
- B29C2948/92514—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
- B29C2948/9259—Angular 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
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
- 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
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
- 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
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- 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
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/286—Raw material dosing
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
- 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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material

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)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

CA002143041A 1994-03-07 1995-02-21 Methode pour l'injection-moulage de poly(terephtalate d'ethylene Expired - Lifetime CA2143041C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002480523A CA2480523C (fr)	1994-03-07	1995-02-21	Methode pour l'injection-moulage de poly(terephtalate d'ethylene

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP6-59788		1994-03-07
JP6059788A JP2673491B2 (ja)	1994-03-07	1994-03-07	不定形な成形材料の供給方法

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002480523A Division CA2480523C (fr)	1994-03-07	1995-02-21	Methode pour l'injection-moulage de poly(terephtalate d'ethylene

Publications (2)

Publication Number	Publication Date
CA2143041A1 CA2143041A1 (fr)	1995-09-08
CA2143041C true CA2143041C (fr)	2005-05-10

Family

ID=13123383

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002143041A Expired - Lifetime CA2143041C (fr)	1994-03-07	1995-02-21	Methode pour l'injection-moulage de poly(terephtalate d'ethylene

Country Status (3)

Country	Link
JP (1)	JP2673491B2 (fr)
CA (1)	CA2143041C (fr)
GB (1)	GB2287213B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0994824A (ja) *	1995-09-29	1997-04-08	Aokiko Kenkyusho:Kk	ポリエチレンテレフタレートの射出成形方法
ES2226512B1 (es) *	2001-12-03	2006-02-01	Sistemas De Embalajes Sorsa, S.A	Instalacion de extrusion de pet reciclado y utilizacion correspondiente.
ES2351839B1 (es) *	2007-10-04	2011-09-16	Plasticos Hidrosolubles, S.L.	Procedimiento para la inyección de piezas de polietanol y piezas así obtenidas.
ES2293861B1 (es) *	2007-10-04	2009-04-01	Plasticos Hidrosolubles, S.L.	Procedimiento para la inyeccion de piezas de polietenol.
WO2012076512A1 (fr) *	2010-12-08	2012-06-14	Dsm Ip Assets B.V.	Appareil comprenant un engrenage d'une composition polymère thermoplastique
JP5554226B2 (ja) *	2010-12-27	2014-07-23	小島プレス工業株式会社	射出装置
JP5940430B2 (ja) *	2012-10-22	2016-06-29	住友重機械工業株式会社	射出成形機
CN112638617B (zh) *	2018-09-06	2023-03-21	日本烟草产业株式会社	挤出机的控制方法以及使用了该挤出机的控制方法的香味源的制造方法、和挤出机以及使用了该挤出机的挤出成型系统
JP6773742B2 (ja) *	2018-10-02	2020-10-21	ファナック株式会社	射出成形機および射出成形機のスクリュ制御方法
TWI750771B (zh)	2020-08-18	2021-12-21	淨斯人間志業股份有限公司	再生塑膠射出成型系統之射出機
JP2024167559A (ja) *	2023-05-22	2024-12-04	日精樹脂工業株式会社	射出成形機の可塑化制御方法及び装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2638840C2 (de) *	1975-08-30	1983-12-22	Chang Shao Shizuoka Chi	Verfahren zur Herstellung von Produkten aus Polyäthylenterephthalat
JPS5454172A (en) *	1977-10-07	1979-04-28	Kobe Steel Ltd	Equipment for treting waste gas from injection molding machine
DE3310676A1 (de) *	1983-03-24	1984-09-27	Basf Ag, 6700 Ludwigshafen	Verfahren und vorrichtung zum entfernen von fluechtigen anteilen aus polymerenschmelzen oder paste
NL8400082A (nl) *	1984-01-10	1985-08-01	Wavin Bv	Werkwijze en inrichting voor het spuitgieten van pvc-produkten.
US4944906A (en) *	1988-10-11	1990-07-31	Spirex Corporation	Methods of injection molding and extruding wet hygroscopic ionomers
AU666435B2 (en) *	1993-04-30	1996-02-08	A. K. Technical Laboratory, Inc.	Method for injection molding polyethylene terephthalate

1994
- 1994-03-07 JP JP6059788A patent/JP2673491B2/ja not_active Expired - Fee Related
1995
- 1995-02-17 GB GB9503118A patent/GB2287213B/en not_active Expired - Lifetime
- 1995-02-21 CA CA002143041A patent/CA2143041C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB9503118D0 (en)	1995-04-05
HK1001887A1 (en)	1998-07-17
CA2143041A1 (fr)	1995-09-08
JP2673491B2 (ja)	1997-11-05
GB2287213B (en)	1998-05-06
GB2287213A (en)	1995-09-13
JPH07241851A (ja)	1995-09-19

Legal Events

Date	Code	Title	Description
2001-11-20	EEER	Examination request
2015-04-27	MKEX	Expiry	Effective date: 20150223

Publication	Publication Date	Title
US5556581A (en)	1996-09-17	Method of injection molding polyethylene terephthalate
CA2143041C (fr)	2005-05-10	Methode pour l'injection-moulage de poly(terephtalate d'ethylene
US3563514A (en)	1971-02-16	Plasticizer with full diameter rotor
EP0169231B1 (fr)	1990-06-06	Procede et appareil de moulage par injection de produits en pvc
KR20100120212A (ko)	2010-11-12	플라스틱 재료를 사출 성형하기 위한 방법 및 장치
US4290702A (en)	1981-09-22	Plasticating apparatus for molding devices
US4189291A (en)	1980-02-19	Apparatus and process for recovering scraps of thermoplastic material, even of heterogeneous shapes, by gradual melting and compression through one or more orifices
KR20140078744A (ko)	2014-06-25	플라스틱 재료의 처리를 위한 장치
CA2658030A1 (fr)	2008-01-31	Procede et appareillage de traitement de solidification
JPS6235884B2 (fr)	1987-08-04
CA2480523C (fr)	2008-04-08	Methode pour l'injection-moulage de poly(terephtalate d'ethylene
JPH11300811A (ja)	1999-11-02	押出方法およびスクリュ式押出機
TWI907887B (zh)	2025-12-11	聚合物材料的加工方法及加工裝置
CN114055664A (zh)	2022-02-18	螺杆式脱水挤出机
JP2640715B2 (ja)	1997-08-13	未乾燥のポリエチレンテレフタレートの射出成形方法
US20030221330A1 (en)	2003-12-04	Plastic granule dryer system
JPH0477224A (ja)	1992-03-11	射出成形方法
JP3996835B2 (ja)	2007-10-24	粉砕ポリエチレンテレフタレート材料の射出成形方法
CA2122282C (fr)	1998-02-24	Methode de moulage par injection avec le terephtalate de polyethylene
JP3515530B2 (ja)	2004-04-05	射出制御装置及び射出制御方法
JP3701604B2 (ja)	2005-10-05	成形材料供給装置
JPH0441891B2 (fr)	1992-07-09
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