JPS56136340A - Mold for molding bobbin - Google Patents

Mold for molding bobbin

Info

Publication number
JPS56136340A
JPS56136340A JP3944780A JP3944780A JPS56136340A JP S56136340 A JPS56136340 A JP S56136340A JP 3944780 A JP3944780 A JP 3944780A JP 3944780 A JP3944780 A JP 3944780A JP S56136340 A JPS56136340 A JP S56136340A
Authority
JP
Japan
Prior art keywords
mold
molding
roughened
collars
bobbin
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
JP3944780A
Other languages
Japanese (ja)
Inventor
Yutaka Hashimoto
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.)
KINSEI KK
Original Assignee
KINSEI KK
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 KINSEI KK filed Critical KINSEI KK
Priority to JP3944780A priority Critical patent/JPS56136340A/en
Publication of JPS56136340A publication Critical patent/JPS56136340A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable to mold the bobbin having roughened surfaces at the inside surfaces of its collars by providing a drawable core plate of special shape in the titled mold.
CONSTITUTION: In the mold for molding the bobbin 1 having the roughened surfaces at the inside peripheral surfaces 3' of the collars 3, 3 provided at both ends of a cylinder part 2, the drawable core plate 8 having a projected part 9 for molding the contour of the cylinder part 2 and the inside peripheral surfaces 3' of the collars 3, 3 is provided. The part of the projected part 9 of the core plate 8 for molding the inside peripheral surface 3' of the collar 3 is provided with the roughened surface and a taper of a great gradient so that the inside surface of the collar 3 will be roughened and slanted outwards.
COPYRIGHT: (C)1981,JPO&Japio
JP3944780A 1980-03-27 1980-03-27 Mold for molding bobbin Pending JPS56136340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3944780A JPS56136340A (en) 1980-03-27 1980-03-27 Mold for molding bobbin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3944780A JPS56136340A (en) 1980-03-27 1980-03-27 Mold for molding bobbin

Publications (1)

Publication Number Publication Date
JPS56136340A true JPS56136340A (en) 1981-10-24

Family

ID=12553272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3944780A Pending JPS56136340A (en) 1980-03-27 1980-03-27 Mold for molding bobbin

Country Status (1)

Country Link
JP (1) JPS56136340A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525315B1 (en) * 1971-04-15 1980-07-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525315B1 (en) * 1971-04-15 1980-07-04

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