JPS5751439A - Gate structure in metallic mold - Google Patents

Gate structure in metallic mold

Info

Publication number
JPS5751439A
JPS5751439A JP12777280A JP12777280A JPS5751439A JP S5751439 A JPS5751439 A JP S5751439A JP 12777280 A JP12777280 A JP 12777280A JP 12777280 A JP12777280 A JP 12777280A JP S5751439 A JPS5751439 A JP S5751439A
Authority
JP
Japan
Prior art keywords
runner
metallic mold
gate
ejector pin
gate structure
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
JP12777280A
Other languages
Japanese (ja)
Inventor
Yoshihiro Miyawaki
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 JP12777280A priority Critical patent/JPS5751439A/en
Publication of JPS5751439A publication Critical patent/JPS5751439A/en
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE: To obtain the captioned gate structure capable of releasing a molded part reliably from a metallic mold by a method wherein a dead gate is arranged under a specific state in a sliding hole opened to a runner and between the point of an ejector pin for projecting the runner and the runner.
CONSTITUTION: The ejector pin 8 for projecting the runner is arranged slidably in a sliding hole 6 opened to the runner 3 in the metallic mold A so that the position of the point of the ejector pin 8 is placed on a height nearly equal to the height of the opening part 7 to a cavity 4 of a tunnel gate 5. Plastic is filled in the dead gate 9 also and when the molded part and the runner part are cut at the open end of the tunnel gate 5 and projected from the metallic mold, they are projected in a unitary body and reliable mold-releasing operation can be made.
COPYRIGHT: (C)1982,JPO&Japio
JP12777280A 1980-09-13 1980-09-13 Gate structure in metallic mold Pending JPS5751439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12777280A JPS5751439A (en) 1980-09-13 1980-09-13 Gate structure in metallic mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12777280A JPS5751439A (en) 1980-09-13 1980-09-13 Gate structure in metallic mold

Publications (1)

Publication Number Publication Date
JPS5751439A true JPS5751439A (en) 1982-03-26

Family

ID=14968307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12777280A Pending JPS5751439A (en) 1980-09-13 1980-09-13 Gate structure in metallic mold

Country Status (1)

Country Link
JP (1) JPS5751439A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61195194A (en) * 1985-02-25 1986-08-29 Ichiro Shibauchi Production of colloidal fuel
JPS6394712U (en) * 1986-12-12 1988-06-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61195194A (en) * 1985-02-25 1986-08-29 Ichiro Shibauchi Production of colloidal fuel
JPS6394712U (en) * 1986-12-12 1988-06-18

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