JPS557423A - Molding metal mold of rubber - Google Patents

Molding metal mold of rubber

Info

Publication number
JPS557423A
JPS557423A JP8017178A JP8017178A JPS557423A JP S557423 A JPS557423 A JP S557423A JP 8017178 A JP8017178 A JP 8017178A JP 8017178 A JP8017178 A JP 8017178A JP S557423 A JPS557423 A JP S557423A
Authority
JP
Japan
Prior art keywords
temperature
compound
metal mold
projected
time
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.)
Pending
Application number
JP8017178A
Other languages
Japanese (ja)
Inventor
Hisaki Otsubo
Michio Takahashi
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.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei Co 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 Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Priority to JP8017178A priority Critical patent/JPS557423A/en
Publication of JPS557423A publication Critical patent/JPS557423A/en
Pending 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
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • B29C2045/302—Torpedoes in the sprue channel for heating the melt of cross-linkable 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
    • B29K2021/00—Use of unspecified rubbers as moulding material

Landscapes

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

Abstract

PURPOSE: To shorten vulcanization time, by forming one portion of a material passage of a metal mold in a thin shape, and by mounting a heating means to said thin shape portion.
CONSTITUTION: Plastic compound preheated is projected into a metal mold 10 from a projection nozzle 1. Compound projected into the metal mold 10 is injected to cavities 19 through a spool 15, a runner 17 and gates 18. In this case, the temperature of an outer surface of a torpedo 13, in which a heater 16 is buried, becomes to temperature, which can be increased, in cooperation with the frictional heat of compound up to temperature near approximate vulcanization temperature at a point of time when compound reaches the cavities 19. Thus, the temperature of the compound projected from the projection nozzle 1 rises up to temperature near appro imate vulcanization temperature because frictional heat is generated during the time when the compound passes through the spool 15 since the portion is thin and cylindrical and heat is smoothly transmitted from the torpedo 13.
COPYRIGHT: (C)1980,JPO&Japio
JP8017178A 1978-06-30 1978-06-30 Molding metal mold of rubber Pending JPS557423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8017178A JPS557423A (en) 1978-06-30 1978-06-30 Molding metal mold of rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8017178A JPS557423A (en) 1978-06-30 1978-06-30 Molding metal mold of rubber

Publications (1)

Publication Number Publication Date
JPS557423A true JPS557423A (en) 1980-01-19

Family

ID=13710876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8017178A Pending JPS557423A (en) 1978-06-30 1978-06-30 Molding metal mold of rubber

Country Status (1)

Country Link
JP (1) JPS557423A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042610U (en) * 1983-09-01 1985-03-26 住友ゴム工業株式会社 Hole structure of rubber fender vulcanization mold
JPS6294020U (en) * 1985-11-29 1987-06-16
CN1097036C (en) * 1995-08-23 2002-12-25 汉克尔股份两合公司 Gypsum-contg. composition and its use
EP1407870A1 (en) * 2002-10-09 2004-04-14 Bakelite AG Hot-cone molding device for cross-linkable polymers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49119974A (en) * 1973-03-22 1974-11-15
JPS5138064B1 (en) * 1971-11-12 1976-10-19

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138064B1 (en) * 1971-11-12 1976-10-19
JPS49119974A (en) * 1973-03-22 1974-11-15

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042610U (en) * 1983-09-01 1985-03-26 住友ゴム工業株式会社 Hole structure of rubber fender vulcanization mold
JPS6294020U (en) * 1985-11-29 1987-06-16
CN1097036C (en) * 1995-08-23 2002-12-25 汉克尔股份两合公司 Gypsum-contg. composition and its use
EP1407870A1 (en) * 2002-10-09 2004-04-14 Bakelite AG Hot-cone molding device for cross-linkable polymers

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