IT1125528B - Procedimento di stampaggio mediante iniezione usando miscele di polimeri che contengono polietilene di peso molecolare elevato,di elevata densita' - Google Patents

Procedimento di stampaggio mediante iniezione usando miscele di polimeri che contengono polietilene di peso molecolare elevato,di elevata densita'

Info

Publication number
IT1125528B
IT1125528B IT26660/79A IT2666079A IT1125528B IT 1125528 B IT1125528 B IT 1125528B IT 26660/79 A IT26660/79 A IT 26660/79A IT 2666079 A IT2666079 A IT 2666079A IT 1125528 B IT1125528 B IT 1125528B
Authority
IT
Italy
Prior art keywords
polymers
mixtures
injection
molecular weight
density polyethylene
Prior art date
Application number
IT26660/79A
Other languages
English (en)
Other versions
IT7926660A0 (it
Inventor
Josef Kubat
Hans Mikael Rigdahl
Jan Krister Djurner
Original Assignee
Josef Kubat
Hans Mikael Rigdahl
Jan Krister Djurner
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 Josef Kubat, Hans Mikael Rigdahl, Jan Krister Djurner filed Critical Josef Kubat
Publication of IT7926660A0 publication Critical patent/IT7926660A0/it
Application granted granted Critical
Publication of IT1125528B publication Critical patent/IT1125528B/it

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
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • 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
    • B29C45/57—Exerting after-pressure on the moulding material
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
    • B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
IT26660/79A 1978-10-20 1979-10-19 Procedimento di stampaggio mediante iniezione usando miscele di polimeri che contengono polietilene di peso molecolare elevato,di elevata densita' IT1125528B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7810977A SE7810977L (sv) 1978-10-20 1978-10-20 Formsprutningsforfarande med anvendning av polymerblandningar innehallande hogmolekyler hogdensitetspolyeten

Publications (2)

Publication Number Publication Date
IT7926660A0 IT7926660A0 (it) 1979-10-19
IT1125528B true IT1125528B (it) 1986-05-14

Family

ID=20336155

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26660/79A IT1125528B (it) 1978-10-20 1979-10-19 Procedimento di stampaggio mediante iniezione usando miscele di polimeri che contengono polietilene di peso molecolare elevato,di elevata densita'

Country Status (9)

Country Link
US (1) US4349504A (it)
EP (1) EP0020514A1 (it)
JP (1) JPS55500831A (it)
DK (1) DK265280A (it)
FI (1) FI793252A (it)
IT (1) IT1125528B (it)
NO (1) NO793361L (it)
SE (1) SE7810977L (it)
WO (1) WO1980000813A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925161B1 (en) * 1984-12-21 1994-12-20 British Tech Group Process for molding directionally-orientable material using shear force
US5156858A (en) * 1984-12-21 1992-10-20 National Research Development Corporation Apparatus for controlling the molding of a solid product in a mold cavity from molten material which is repeatedly moved within the mold cavity
CA1243462A (en) * 1984-12-21 1988-10-25 Peter S. Allan Moulding process
JPS62227712A (ja) * 1986-03-31 1987-10-06 Toyo Seikan Kaisha Ltd オレフィン―ビニルアルコール共重合体の射出成形体及びその製法
FR2644057A1 (fr) * 1989-03-09 1990-09-14 Bristol Myers Squibb Co Implant orthopedique
FI895172A0 (fi) * 1989-10-31 1989-10-31 Biocon Oy Kompositmaterial.
US5494426A (en) * 1992-05-11 1996-02-27 Thermold Partners L.P. Vibrating wall surfaces for molding deformable materials
US20050062198A1 (en) * 2003-09-19 2005-03-24 Phong Pham Automated method of injecting polymer to form a graphical design onto substrate
US20050136146A1 (en) * 2003-12-18 2005-06-23 Phong Pham Apparatus for automated method of injecting polymer to form a graphical design onto substrates

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237089A (en) * 1978-07-19 1980-12-02 Sunds Ab Method of reducing internal stresses and improving the mechanical properties of injection molded thermoplastic resins

Also Published As

Publication number Publication date
DK265280A (da) 1980-06-20
JPS55500831A (it) 1980-10-23
IT7926660A0 (it) 1979-10-19
SE7810977L (sv) 1980-04-21
EP0020514A1 (en) 1981-01-07
US4349504A (en) 1982-09-14
NO793361L (no) 1980-04-22
FI793252A (fi) 1980-04-21
WO1980000813A1 (en) 1980-05-01

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