JPS57160623A - Removing method of rubber flash - Google Patents

Removing method of rubber flash

Info

Publication number
JPS57160623A
JPS57160623A JP4695281A JP4695281A JPS57160623A JP S57160623 A JPS57160623 A JP S57160623A JP 4695281 A JP4695281 A JP 4695281A JP 4695281 A JP4695281 A JP 4695281A JP S57160623 A JPS57160623 A JP S57160623A
Authority
JP
Japan
Prior art keywords
rubber
vulcanization
flash
platen
vacant place
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
JP4695281A
Other languages
Japanese (ja)
Inventor
Akira Washida
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP4695281A priority Critical patent/JPS57160623A/en
Publication of JPS57160623A publication Critical patent/JPS57160623A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable to remove rubber flash mechanically, by pressing the part of a mold except a bar fitted in a hole after filling the vacant place where a product is molded with unvulcanized rubber in vulcanization molding of rubber by upper and lower molds.
CONSTITUTION: When unvulcanized rubber is filled in a vacant place 4 where a product is molded by an injection method etc., unvulcanized rubber is forced out to grooves 5, 6 and a parting face 3 and becomes a rubber flash. Here, upper and lower molds 1, 2 are pressed by a platen 12 and heat-vulcanization is done, then the platen 12 is removed after vulcanization and a press plate 13 is put on and the molds are pressed, so rubber flashes push on bar objects 10 fitted in many holes 9 provided on the upper mold 1 and are forced out upward, then protruded parts 7, 8 between the vacant place 4 and grooves 5, 6 shear a rubber film of this part and remove rubber flashes. Besides, the rubber flash may be removed by removing the platen 12 and putting the press plate on before vulcanization or during vulcanization, and after that it may be vulcanized.
COPYRIGHT: (C)1982,JPO&Japio
JP4695281A 1981-03-30 1981-03-30 Removing method of rubber flash Pending JPS57160623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4695281A JPS57160623A (en) 1981-03-30 1981-03-30 Removing method of rubber flash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4695281A JPS57160623A (en) 1981-03-30 1981-03-30 Removing method of rubber flash

Publications (1)

Publication Number Publication Date
JPS57160623A true JPS57160623A (en) 1982-10-04

Family

ID=12761618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4695281A Pending JPS57160623A (en) 1981-03-30 1981-03-30 Removing method of rubber flash

Country Status (1)

Country Link
JP (1) JPS57160623A (en)

Similar Documents

Publication Publication Date Title
JPS565747A (en) Decoration-molding method and apparatus for synthetic resin uneven surface and mold product
US5151232A (en) Injection moulding process
US5013228A (en) Injection moulding apparatus
JPS57160623A (en) Removing method of rubber flash
US2745139A (en) Method and apparatus for producing moldable rubber or rubber like articles
US3483287A (en) Transfer molding method
JPS57160624A (en) Removing method of rubber flash
JPS55139240A (en) Resin molding method
JPS5565531A (en) Molding of handle for toothbrush or the like and metallic mold therefor
JPS55158952A (en) Moldng and vulcanizing of rubber
JPS57188335A (en) Removing method for rubber burr
JPS55114541A (en) Method of releasing plastic product from mold
JPS5725911A (en) Manufacture of a plurality of molded products and device used in said products
JPS57151328A (en) Mold for vulcanizing and forming rubber
JPS57195683A (en) Manufacture of molded product having pattern on its surface
JPS56121748A (en) Injection molding method
JPS56151542A (en) Manufacture of in-mold decorated form
GB624903A (en) Improvements in and relating to the injection moulding of plastic materials
JPS57185109A (en) Method of releasing molding item from mold
JPS57151330A (en) Method for removing rubber flash of o-ring
JPS57110432A (en) Metal mold for molding rubber product
JPS575338A (en) Molding die
JPS57178737A (en) Removing method for rubber burr and metallic mold capable of removing the same
SU806455A1 (en) Method of making reinforced articles of thermosetting polymeric material
JPS56154026A (en) Manufacture of synthetic resin molded article