FI862983A0 - SPRUTENHET FOER EN SPRUTGJUTNINGSMASKIN. - Google Patents

SPRUTENHET FOER EN SPRUTGJUTNINGSMASKIN.

Info

Publication number
FI862983A0
FI862983A0 FI862983A FI862983A FI862983A0 FI 862983 A0 FI862983 A0 FI 862983A0 FI 862983 A FI862983 A FI 862983A FI 862983 A FI862983 A FI 862983A FI 862983 A0 FI862983 A0 FI 862983A0
Authority
FI
Finland
Prior art keywords
sprutgjutningsmaskin
sprutenhet
foer
sprutenhet foer
Prior art date
Application number
FI862983A
Other languages
Finnish (fi)
Other versions
FI862983A (en
FI80849C (en
FI80849B (en
Inventor
Aldred Woegerer
Original Assignee
Engel Gmbh Maschbau
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 Engel Gmbh Maschbau filed Critical Engel Gmbh Maschbau
Publication of FI862983A0 publication Critical patent/FI862983A0/en
Publication of FI862983A publication Critical patent/FI862983A/en
Application granted granted Critical
Publication of FI80849B publication Critical patent/FI80849B/en
Publication of FI80849C publication Critical patent/FI80849C/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FI862983A 1985-07-19 1986-07-18 Back flow barrier for plastic injection molding machine FI80849C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT214785A AT384577B (en) 1985-07-19 1985-07-19 REVERSE BLOCK FOR THE PLASTICIZING SCREW OF AN INJECTION MOLDING MACHINE
AT214785 1985-07-19

Publications (4)

Publication Number Publication Date
FI862983A0 true FI862983A0 (en) 1986-07-18
FI862983A FI862983A (en) 1987-01-20
FI80849B FI80849B (en) 1990-04-30
FI80849C FI80849C (en) 1990-08-10

Family

ID=3528776

Family Applications (1)

Application Number Title Priority Date Filing Date
FI862983A FI80849C (en) 1985-07-19 1986-07-18 Back flow barrier for plastic injection molding machine

Country Status (5)

Country Link
EP (1) EP0212224B1 (en)
AT (1) AT384577B (en)
DE (1) DE3681227D1 (en)
DK (1) DK158777C (en)
FI (1) FI80849C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718800B1 (en) 1994-04-13 1996-07-12 Alain Georges Rene Viron Self-centering floating pin valve with two support points on flats machined or forged at a given angle.
DE10255951B4 (en) * 2002-11-29 2006-03-30 Battenfeld Gmbh Device for preventing the reflux of plastic melt
AT522179B1 (en) 2019-04-25 2020-09-15 Engel Austria Gmbh Plasticizing screw for a molding machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438393A (en) * 1966-07-20 1969-04-15 Improved Machinery Inc Valve
US4105147A (en) * 1977-02-07 1978-08-08 Stubbe Paul L Extruder screw valve
GB2050929A (en) * 1979-05-23 1981-01-14 Hpm Corp Injection molding method utilizing a low shear screw
DE2942320A1 (en) * 1979-10-19 1981-05-07 Mannesmann Demag Kunstofftechnik Zweigniederlassung der Mannesmann Demag AG, 8500 Nürnberg Backflow valve in extruder head - internally grooved ring turns to admit or close flow to diametrical slots
DE2946683A1 (en) * 1979-11-20 1981-05-27 Mannesmann Demag Kunstofftechnik Zweigniederlassung der Mannesmann Demag AG, 8500 Nürnberg Extruder head backflow valve - has ring sliding on shaft with tapered gap at front position for polymer lubrication
DE3203724A1 (en) * 1982-02-04 1983-08-11 Krauss-Maffei AG, 8000 München BACKFLOW LOCK

Also Published As

Publication number Publication date
FI862983A (en) 1987-01-20
FI80849C (en) 1990-08-10
DK342686A (en) 1987-01-20
EP0212224A2 (en) 1987-03-04
FI80849B (en) 1990-04-30
AT384577B (en) 1987-12-10
DK158777C (en) 1990-12-24
ATA214785A (en) 1987-05-15
EP0212224B1 (en) 1991-09-04
DK158777B (en) 1990-07-16
EP0212224A3 (en) 1988-12-28
DK342686D0 (en) 1986-07-18
DE3681227D1 (en) 1991-10-10

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: ENGEL MASCHINENBAU GESELLSCHAFT M.B.H.