MX9604403A - Material de nucleo y proceso para moldear por inyeccion. - Google Patents

Material de nucleo y proceso para moldear por inyeccion.

Info

Publication number
MX9604403A
MX9604403A MX9604403A MX9604403A MX9604403A MX 9604403 A MX9604403 A MX 9604403A MX 9604403 A MX9604403 A MX 9604403A MX 9604403 A MX9604403 A MX 9604403A MX 9604403 A MX9604403 A MX 9604403A
Authority
MX
Mexico
Prior art keywords
core material
injection molding
core
peo
pva
Prior art date
Application number
MX9604403A
Other languages
English (en)
Other versions
MXPA96004403A (es
Inventor
Norihito Shibahara
Osamu Sawajiri
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of MX9604403A publication Critical patent/MX9604403A/es
Publication of MXPA96004403A publication Critical patent/MXPA96004403A/es

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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4457—Removing or ejecting moulded articles for undercut articles using fusible, soluble or destructible cores
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/52—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles soluble or fusible
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • 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
    • B29K2829/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof, as mould material
    • B29K2829/04—PVOH, i.e. polyvinyl alcohol
    • 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
    • B29K2871/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as mould material
    • B29K2871/02—Polyalkylene oxides, e.g. PEO, i.e. polyethylene oxide, or derivatives thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

Un material de nucleo para moldear por inyeccion, que comprende un copolímero de un alcohol polivinilico (PVA) y oxido de polietileno (PEO), así como un nucleo formado del material de nucleo.
MXPA/A/1996/004403A 1994-04-05 1996-09-27 Material de nucleo y proceso para moldear por inyeccion MXPA96004403A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6/66918 1994-04-05
JP6-66918 1994-04-05
JP6066918A JPH07276372A (ja) 1994-04-05 1994-04-05 中子材料及びその使用
PCT/US1995/004194 WO1995026864A1 (en) 1994-04-05 1995-04-03 Core material and process for injection molding

Publications (2)

Publication Number Publication Date
MX9604403A true MX9604403A (es) 1997-07-31
MXPA96004403A MXPA96004403A (es) 1997-12-01

Family

ID=

Also Published As

Publication number Publication date
WO1995026864A1 (en) 1995-10-12
EP0754109A1 (en) 1997-01-22
JPH07276372A (ja) 1995-10-24
CN1144502A (zh) 1997-03-05
CA2187180A1 (en) 1995-10-12
KR970702136A (ko) 1997-05-13

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