JPS5561420A - Mold for plastic resin molding device - Google Patents

Mold for plastic resin molding device

Info

Publication number
JPS5561420A
JPS5561420A JP13494378A JP13494378A JPS5561420A JP S5561420 A JPS5561420 A JP S5561420A JP 13494378 A JP13494378 A JP 13494378A JP 13494378 A JP13494378 A JP 13494378A JP S5561420 A JPS5561420 A JP S5561420A
Authority
JP
Japan
Prior art keywords
mold
core
manhole
shall
molding
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
JP13494378A
Other languages
Japanese (ja)
Inventor
Takeo Shinomiya
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 JP13494378A priority Critical patent/JPS5561420A/en
Publication of JPS5561420A publication Critical patent/JPS5561420A/en
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To enable a simultaneous molding of an outer shall and a cover of a manhole, by forming the manhole cover at a space between an outer mold and a core whereby a portion corresponding to the manhole of the outer shall at a space between an inner mold and the outer mold is partitioned.
CONSTITUTION: A core 5 molding a upper surface of a manhole is placed on an inner mold 6. Molding is performed such that an inner surface and an upper surface of the manhole are formed at the circumference of a bottom surface of the core 5, an upper surface of a manhole cover 3 being formed at an upper surface of the core 5. Plastic resins(for example, SMC) 10 are laid on an upper surface of the core 5 placed in the manner described above. A P.V.A. film is put on an upper surface of the plastic resins where necessary. Said work is covered by an outer mold 4 in a condition as it is. When the outer mold 4 and the inner mold 6 are matched together, their upper ends shall be closely matched the outer circumference of the core 5 so that a portion shaping the manhole cover 3 and a portion forming the outer shell 2 can be completely separated from each other. The manhole cover 3 and outer shell 2 can be molded independently resulting from said arrangement of the outer mold 4, the core 5, and the inner mold 6.
COPYRIGHT: (C)1980,JPO&Japio
JP13494378A 1978-10-31 1978-10-31 Mold for plastic resin molding device Pending JPS5561420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13494378A JPS5561420A (en) 1978-10-31 1978-10-31 Mold for plastic resin molding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13494378A JPS5561420A (en) 1978-10-31 1978-10-31 Mold for plastic resin molding device

Publications (1)

Publication Number Publication Date
JPS5561420A true JPS5561420A (en) 1980-05-09

Family

ID=15140174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13494378A Pending JPS5561420A (en) 1978-10-31 1978-10-31 Mold for plastic resin molding device

Country Status (1)

Country Link
JP (1) JPS5561420A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010052193A (en) * 2008-08-26 2010-03-11 Panasonic Electric Works Co Ltd Resin molding mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010052193A (en) * 2008-08-26 2010-03-11 Panasonic Electric Works Co Ltd Resin molding mold

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