CA2074170A1 - Moulding processes and apparatus - Google Patents

Moulding processes and apparatus

Info

Publication number
CA2074170A1
CA2074170A1 CA002074170A CA2074170A CA2074170A1 CA 2074170 A1 CA2074170 A1 CA 2074170A1 CA 002074170 A CA002074170 A CA 002074170A CA 2074170 A CA2074170 A CA 2074170A CA 2074170 A1 CA2074170 A1 CA 2074170A1
Authority
CA
Canada
Prior art keywords
feedstock
flow rate
mould
predetermined
pump
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.)
Abandoned
Application number
CA002074170A
Other languages
English (en)
French (fr)
Inventor
Wojciech Maleczek
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.)
Hendersons Industries Pty Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2074170A1 publication Critical patent/CA2074170A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7615—Mixers with stream-impingement mixing head characterised by arrangements for controlling, measuring or regulating, e.g. for feeding or proportioning the components
    • 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
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7471—Mixers in which the mixing takes place at the inlet of a mould, e.g. mixing chambers situated in the mould opening
    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7663—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube
    • B29B7/7684—Parts; Accessories
    • B29B7/7689—Plunger constructions
    • B29B7/7694—Plunger constructions comprising recirculation channels; ducts formed in the plunger
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0676—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on flow sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CA002074170A 1990-01-18 1991-01-17 Moulding processes and apparatus Abandoned CA2074170A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPJ822890 1990-01-18
AUPJ8228 1990-01-18

Publications (1)

Publication Number Publication Date
CA2074170A1 true CA2074170A1 (en) 1991-07-19

Family

ID=3774455

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002074170A Abandoned CA2074170A1 (en) 1990-01-18 1991-01-17 Moulding processes and apparatus

Country Status (5)

Country Link
EP (1) EP0593451A1 (de)
JP (1) JPH05505982A (de)
KR (1) KR927003304A (de)
CA (1) CA2074170A1 (de)
WO (1) WO1991010551A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2057948A1 (en) * 1991-01-11 1992-07-12 James W. Schmitkons Method and apparatus for metering flow of a two-component dispensing system
US5271521A (en) * 1991-01-11 1993-12-21 Nordson Corporation Method and apparatus for compensating for changes in viscosity in a two-component dispensing system
BR9406675A (pt) * 1993-05-05 1996-01-23 Du Pont Aparelho para dispensar um volume controlado de liquido e aparelho para dispensar um volume preciso de liquido
JP5463172B2 (ja) * 2010-03-11 2014-04-09 株式会社ブリヂストン 発泡成形体の製造装置及び製造方法
IT1399743B1 (it) * 2010-03-15 2013-05-03 Afros Spa Metodo e apparecchiatura per l'erogazione di una miscela poliuretanica in corpi cavi.
DE102010043329A1 (de) * 2010-11-03 2012-05-03 Bayer Materialscience Aktiengesellschaft Verfahren zur Herstellung von geschäumten Formkörpern
WO2013164274A1 (de) * 2012-04-30 2013-11-07 Bayer Materialscience Ag Verfahren zur herstellung von geschäumten formkörpern
AU2013350322A1 (en) * 2012-11-23 2015-07-02 Cougar Composites Ip Pty Ltd Method and apparatus for manufacture of composite articles
IT201900010524A1 (it) * 2019-07-01 2021-01-01 Afros Spa Testa di miscelazione e dosaggio monitorata

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE430234B (sv) * 1978-11-16 1983-10-31 Upjohn Co Forfarande vid och apparat for reaktionsformsprutning
US4525134A (en) * 1979-07-20 1985-06-25 American Can Company Apparatus for making a multi-layer injection blow molded container
US4523430A (en) * 1981-03-19 1985-06-18 Daikin Kogyo Co., Ltd. Fluid flow control system
US4399105A (en) * 1981-03-30 1983-08-16 The Upjohn Company Programmable computer controlled reaction injection mixing head system
DE3117376A1 (de) * 1981-05-02 1982-12-02 Bayer Ag Vorrichtung zum herstellen eines reaktionsfaehigen, massivstoff oder schaumstoff bildenden reaktionsgemisches aus zwei fliessfaehigen reaktionskomponenten
US4430287A (en) * 1982-07-21 1984-02-07 The Upjohn Company Reaction injection molding of nylon
US4904913B2 (en) * 1988-07-18 1998-06-09 Power Saving Devices Inc Motor control system for a plastic forming machine

Also Published As

Publication number Publication date
EP0593451A1 (de) 1994-04-27
WO1991010551A1 (en) 1991-07-25
KR927003304A (ko) 1992-12-17
JPH05505982A (ja) 1993-09-02
EP0593451A4 (de) 1993-10-12

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Legal Events

Date Code Title Description
FZDE Discontinued