GB2090762A - Mixing head for chemical components to be fed into a mould - Google Patents

Mixing head for chemical components to be fed into a mould Download PDF

Info

Publication number
GB2090762A
GB2090762A GB8138966A GB8138966A GB2090762A GB 2090762 A GB2090762 A GB 2090762A GB 8138966 A GB8138966 A GB 8138966A GB 8138966 A GB8138966 A GB 8138966A GB 2090762 A GB2090762 A GB 2090762A
Authority
GB
United Kingdom
Prior art keywords
injector
control
chamber
pressure
piston
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.)
Withdrawn
Application number
GB8138966A
Other languages
English (en)
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.)
Afros SpA
Original Assignee
Afros SpA
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 Afros SpA filed Critical Afros SpA
Publication of GB2090762A publication Critical patent/GB2090762A/en
Withdrawn legal-status Critical Current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
    • B29B7/7663—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
    • 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
    • B29B7/7631—Parts; Accessories
    • B29B7/7636—Construction of the feed orifices, bores, ports
    • B29B7/7642—Adjustable feed orifices, e.g. for controlling the rate of feeding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Nozzles (AREA)
GB8138966A 1981-01-14 1981-12-24 Mixing head for chemical components to be fed into a mould Withdrawn GB2090762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19126/81A IT1135030B (it) 1981-01-14 1981-01-14 Iniettore telecomandato per teste miscelatrici di componenti chimici da alimentare ad uno stampo

Publications (1)

Publication Number Publication Date
GB2090762A true GB2090762A (en) 1982-07-21

Family

ID=11155001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8138966A Withdrawn GB2090762A (en) 1981-01-14 1981-12-24 Mixing head for chemical components to be fed into a mould

Country Status (5)

Country Link
JP (1) JPS582068B2 (it)
DE (1) DE3200802A1 (it)
FR (1) FR2497687A1 (it)
GB (1) GB2090762A (it)
IT (1) IT1135030B (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570958A1 (fr) * 1984-10-01 1986-04-04 Afros Spa Tete melangeuse a chambre mobile
CN104476713A (zh) * 2014-12-09 2015-04-01 广西吉顺能源科技有限公司 一种聚氨酯发泡机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637896A1 (de) * 1986-11-06 1988-06-16 Krauss Maffei Ag Verfahren zum mischen und spritzen eines zweikomponenten-kunstharzes
DE10020157A1 (de) * 2000-04-25 2001-11-08 Hennecke Gmbh Vorrichtung zum Herstellen eines Massivstoff oder Schaumstoff bildenden Reaktionsgemisches aus mindestens zwei fließfähigen Reaktionskomponenten und gegebenenfalls Zusatzkomponenten
DE102007037780A1 (de) 2007-08-10 2009-02-12 Hennecke Gmbh Konstantdruckdüse
DE102010043329A1 (de) * 2010-11-03 2012-05-03 Bayer Materialscience Aktiengesellschaft Verfahren zur Herstellung von geschäumten Formkörpern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321153A1 (de) * 1973-04-26 1974-11-14 Demag Kunststofftech Angussvorrichtung fuer die formgebende verarbeitung von aus mehreren fluessigen komponenten sich bildenden kunststoffen
DE2346347A1 (de) * 1973-09-14 1975-03-27 Demag Kunststofftech Mischvorrichtung fuer die formgebende verarbeitung von sich aus mehreren, vorzugsweise fluessigen komponenten bildenden kunststoffen
DE2555156C3 (de) * 1975-12-08 1987-07-09 The Dow Chemical Co. (eine Ges.n.d.Gesetzen d. Staates Delaware), Midland, Mich. Hochdruck-Mischkopf
DE2855916C2 (de) * 1978-12-23 1983-12-15 Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen Vorrichtung zum Herstellen eines Reaktionsgemisches aus Schaumstoff oder Massivstoff bildenden, fließfähigen Komponenten
DE2936223A1 (de) * 1979-09-07 1981-03-19 Bayer Ag, 5090 Leverkusen Verfahren und einrichtung zum herstellen eines reaktionsgemisches aus fliessfaehigen, schaum- oder massivstoff bildenden komponenten
DE3021095C2 (de) * 1980-06-04 1983-12-22 Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen Verfahren und Vorrichtung zum Herstellen eines Massiv- oder Schaumstoff bildenden Reaktionsgemisches aus mindestens zwei fließfähigen Reaktionskomponenten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570958A1 (fr) * 1984-10-01 1986-04-04 Afros Spa Tete melangeuse a chambre mobile
CN104476713A (zh) * 2014-12-09 2015-04-01 广西吉顺能源科技有限公司 一种聚氨酯发泡机

Also Published As

Publication number Publication date
JPS582068B2 (ja) 1983-01-13
FR2497687A1 (fr) 1982-07-16
DE3200802A1 (de) 1982-09-16
IT8119126A0 (it) 1981-01-14
JPS57138929A (en) 1982-08-27
IT1135030B (it) 1986-08-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)