CA933715A - Apparatus and method for molding polyurethane articles - Google Patents

Apparatus and method for molding polyurethane articles

Info

Publication number
CA933715A
CA933715A CA933715A CA933715DA CA933715A CA 933715 A CA933715 A CA 933715A CA 933715 A CA933715 A CA 933715A CA 933715D A CA933715D A CA 933715DA CA 933715 A CA933715 A CA 933715A
Authority
CA
Canada
Prior art keywords
polyurethane articles
molding polyurethane
molding
articles
polyurethane
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.)
Expired
Application number
CA933715A
Inventor
Schilke Waldemar
M. Gostyn Terence
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.)
Bata Shoe Financial Corp of Canada Ltd
Original Assignee
Bata Shoe Financial Corp of Canada Ltd
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 Bata Shoe Financial Corp of Canada Ltd filed Critical Bata Shoe Financial Corp of Canada Ltd
Application granted granted Critical
Publication of CA933715A publication Critical patent/CA933715A/en
Expired legal-status Critical Current

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/428—Mould constructions; Mould supporting equipment
    • 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
    • B29C45/03—Injection moulding apparatus
    • B29C45/04—Injection moulding apparatus using movable moulds or mould halves
    • B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
    • 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
    • B29C33/20—Opening, closing or clamping
    • 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
    • B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • B29C33/36—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station continuously movable in one direction, e.g. in a closed circuit
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/50—Footwear, e.g. shoes or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
CA933715A 1970-06-26 1970-06-26 Apparatus and method for molding polyurethane articles Expired CA933715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA86642 1970-06-26

Publications (1)

Publication Number Publication Date
CA933715A true CA933715A (en) 1973-09-18

Family

ID=4087094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA933715A Expired CA933715A (en) 1970-06-26 1970-06-26 Apparatus and method for molding polyurethane articles

Country Status (2)

Country Link
CA (1) CA933715A (en)
GB (1) GB1360857A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434697A1 (en) * 1978-08-31 1980-03-28 Admiral Gmbh Maschf STATION FOR FILLING CLOSED MOLDS WITH A SYNTHETIC FOAM MATERIAL
WO2009102219A1 (en) 2008-02-12 2009-08-20 Mjøscon As Manufacture of load -bearing and insulated structural elements

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4112263A1 (en) * 2021-07-02 2023-01-04 Indresmat, S.L. Process and system for manufactoring castable products of polyurethane having a constant section

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434697A1 (en) * 1978-08-31 1980-03-28 Admiral Gmbh Maschf STATION FOR FILLING CLOSED MOLDS WITH A SYNTHETIC FOAM MATERIAL
WO2009102219A1 (en) 2008-02-12 2009-08-20 Mjøscon As Manufacture of load -bearing and insulated structural elements
EP2257679A4 (en) * 2008-02-12 2016-06-01 Moelven Iso3 As Manufacture of load -bearing and insulated structural elements

Also Published As

Publication number Publication date
GB1360857A (en) 1974-07-24

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