JPS5722030A - Injection-molding metal mold - Google Patents

Injection-molding metal mold

Info

Publication number
JPS5722030A
JPS5722030A JP9727880A JP9727880A JPS5722030A JP S5722030 A JPS5722030 A JP S5722030A JP 9727880 A JP9727880 A JP 9727880A JP 9727880 A JP9727880 A JP 9727880A JP S5722030 A JPS5722030 A JP S5722030A
Authority
JP
Japan
Prior art keywords
metal mold
gate
side core
cavity
runner
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
JP9727880A
Other languages
Japanese (ja)
Inventor
Hiroshi Miki
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP9727880A priority Critical patent/JPS5722030A/en
Publication of JPS5722030A publication Critical patent/JPS5722030A/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
    • B29C45/38—Cutting-off equipment for sprues or ingates

Abstract

PURPOSE:To form the metal mold inscribed on the face which can automatically separate a gate during taking-out of a product, even when a thin-wall molded article is produced, by arranging a side core slidably in a lower metal mold part, and forming a gate in the side core which communicates a runner to a cavity. CONSTITUTION:A metal mold 1 is constructed by an upper metal mold part 1a provided with a sprue 15 and a runner 5 and a lower metl mold part 1b provided with a cavity 8 and a side core-receiving part 2 having a convex cross section. A side core 3 provided with a gate 10, through which a finger pin 16 passes, is arranged slidably in the receiving part 2. The upper metal mold part 1a is clamped, and a resin is injected and cured. Thereafter, the upper and lower metal mold parts 1a, 1b are separated at their connection plane. At this time, the side core 3 is slided in the receiving portion 2 by the operation of the finger pin 16, so that the gate 10 is detached from the cavity 8 and the runner 5 at resin-injecting openings 9 and 6, respectively. Consequently, a product in the cavity 8 is separated from the resin in the gate 10.
JP9727880A 1980-07-15 1980-07-15 Injection-molding metal mold Pending JPS5722030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9727880A JPS5722030A (en) 1980-07-15 1980-07-15 Injection-molding metal mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9727880A JPS5722030A (en) 1980-07-15 1980-07-15 Injection-molding metal mold

Publications (1)

Publication Number Publication Date
JPS5722030A true JPS5722030A (en) 1982-02-04

Family

ID=14188046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9727880A Pending JPS5722030A (en) 1980-07-15 1980-07-15 Injection-molding metal mold

Country Status (1)

Country Link
JP (1) JPS5722030A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360793A (en) * 1986-09-01 1988-03-16 Tomoegawa Paper Co Ltd Electrosensitive transfer recording medium
JPS63165179A (en) * 1986-09-01 1988-07-08 Tomoegawa Paper Co Ltd Discharge transfer recording medium
US5089372A (en) * 1986-09-01 1992-02-18 Tomoegawa Paper Co., Ltd. Transfer recording medium utilizing diazo or azide compounds wherein light energy is converted to heat energy

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360793A (en) * 1986-09-01 1988-03-16 Tomoegawa Paper Co Ltd Electrosensitive transfer recording medium
JPS63165179A (en) * 1986-09-01 1988-07-08 Tomoegawa Paper Co Ltd Discharge transfer recording medium
JPH0356919B2 (en) * 1986-09-01 1991-08-29
JPH0356918B2 (en) * 1986-09-01 1991-08-29
US5089372A (en) * 1986-09-01 1992-02-18 Tomoegawa Paper Co., Ltd. Transfer recording medium utilizing diazo or azide compounds wherein light energy is converted to heat energy

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