ZA726090B - Improvements in or relating to injection moulding - Google Patents

Improvements in or relating to injection moulding

Info

Publication number
ZA726090B
ZA726090B ZA726090A ZA726090A ZA726090B ZA 726090 B ZA726090 B ZA 726090B ZA 726090 A ZA726090 A ZA 726090A ZA 726090 A ZA726090 A ZA 726090A ZA 726090 B ZA726090 B ZA 726090B
Authority
ZA
South Africa
Prior art keywords
relating
injection moulding
moulding
injection
Prior art date
Application number
ZA726090A
Inventor
L Hujik
Original Assignee
Bata Shoe South Africa
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 South Africa filed Critical Bata Shoe South Africa
Publication of ZA726090B publication Critical patent/ZA726090B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/06Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
    • B29D35/08Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising having multilayered parts
    • B29D35/081Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising having multilayered parts by injection moulding
    • B29D35/082Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising having multilayered parts by injection moulding injecting first the outer sole part
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/02Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12Soles with several layers of different materials
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/28Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14Multilayered parts
    • B29D35/142Soles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
ZA726090A 1971-09-29 1972-09-06 Improvements in or relating to injection moulding ZA726090B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA123,997A CA977917A (en) 1971-09-29 1971-09-29 Method of molding shoe soles

Publications (1)

Publication Number Publication Date
ZA726090B true ZA726090B (en) 1973-05-30

Family

ID=4091022

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA726090A ZA726090B (en) 1971-09-29 1972-09-06 Improvements in or relating to injection moulding

Country Status (17)

Country Link
JP (2) JPS4873255A (en)
AU (1) AU465446B2 (en)
BE (1) BE789408A (en)
BR (1) BR7206606D0 (en)
CA (1) CA977917A (en)
CH (1) CH553551A (en)
DE (1) DE2244130B2 (en)
DK (1) DK133547C (en)
ES (1) ES407085A1 (en)
FR (1) FR2199641A5 (en)
GB (1) GB1398134A (en)
IT (1) IT968464B (en)
MY (1) MY7600201A (en)
NL (1) NL7212900A (en)
NO (1) NO138681C (en)
SE (1) SE392836B (en)
ZA (1) ZA726090B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1101162A (en) * 1978-09-08 1981-05-19 Guy F. Rudolf Method and apparatus for molding polyurethane soles for footwear
JPS55148501A (en) * 1979-05-10 1980-11-19 Kohkoku Chem Ind Production of light weight injection molded shoes
IT1180975B (en) * 1984-05-03 1987-09-23 Lorenzin Ind Mecc DEVICE FOR HEATING THERMOPLASTIC ITEMS IN INTERMEDIATE STEPS OF PROCEDURES CONSISTING OF MULTIPLE INJECTIONS
DE3516510A1 (en) * 1985-05-08 1986-11-13 Klöckner Ferromatik Desma GmbH, 7831 Malterdingen DEVICE FOR DIRECT SOLELING ON SHOE SHOES
DE3600682A1 (en) * 1985-12-21 1987-06-25 Kloeckner Ferromatik Desma SHOE WITH A MIDSOLE MADE OF POLYURETHANE AND AN OUTSOLE MADE OF ELASTOMER
IT1201760B (en) * 1986-12-05 1989-02-02 Union Spa PROCESS AND PLANT FOR THE REALIZATION OF FOOTWEAR WITH VULCANIZED RUBBER SOLE AND BICOMPONENT POLYURETHANE MIDSOLE
ES2117932B1 (en) * 1995-07-05 1999-04-01 Trujillo Jose Salcedo IMPROVEMENTS IN THE MANUFACTURE OF FOOTWEAR PLANTS.
ITMC20090076A1 (en) * 2009-04-08 2010-10-09 Gruppo Meccaniche Luciani Srl MOLD FOR THE PRODUCTION OF SOLES FOR FOOTWEAR
WO2021040689A1 (en) * 2019-08-26 2021-03-04 Hewlett-Packard Development Company, L.P. Footwear midsoles with baffles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1529890A1 (en) * 1966-11-19 1969-10-30 Desma Werke Gmbh Method and device for producing multi-part soles with such a sole

Also Published As

Publication number Publication date
DK133547C (en) 1976-10-25
AU465446B2 (en) 1975-09-25
DK133547B (en) 1976-06-08
AU4650972A (en) 1974-03-21
DE2244130A1 (en) 1973-04-12
MY7600201A (en) 1976-12-31
BE789408A (en) 1973-01-15
ES407085A1 (en) 1975-11-16
NO138681C (en) 1978-10-25
DE2244130B2 (en) 1976-09-09
JPS5310639U (en) 1978-01-28
SE392836B (en) 1977-04-25
NO138681B (en) 1978-07-17
BR7206606D0 (en) 1973-09-20
GB1398134A (en) 1975-06-18
FR2199641A5 (en) 1974-04-12
CH553551A (en) 1974-09-13
NL7212900A (en) 1973-04-02
JPS4873255A (en) 1973-10-03
IT968464B (en) 1974-03-20
CA977917A (en) 1975-11-18

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