MAGNET ROLLER MOLDING DIE AND PRODUCTION METHOD OF MAGNET ROLLER

To improve a stability of a magnetic force in a product while improving a durability of a die body of a magnet roller molding die, furthermore, to provide a production method of a magnet roller using such a magnet roller molding die.SOLUTION: A magnet roller molding die having inside a cavity for mo...

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Bibliographic Details
Main Authors TOYODA KATSUYUKI, AOKI SHIGERU
Format Patent
LanguageEnglish
Japanese
Published 31.01.2019
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:To improve a stability of a magnetic force in a product while improving a durability of a die body of a magnet roller molding die, furthermore, to provide a production method of a magnet roller using such a magnet roller molding die.SOLUTION: A magnet roller molding die having inside a cavity for molding a magnet roller having a columnar roller body has a tubular die body having magnetic force generating means and a detachable nonmagnetic inner pipe that is mounted inside an inner peripheral surface and extends over an entire length of a molding region of the roller body of the cavity.SELECTED DRAWING: Figure 1 【課題】マグネットローラ成形用金型の金型本体における耐久性を向上させつつ、製品における磁力の安定性を向上させる。さらに、そのようなマグネットローラ成形用金型を用いた、マグネットローラの製造方法を提供する。【解決手段】柱状のローラ本体部を備えたマグネットローラを成形するためのキャビティを内部に有する、マグネットローラ成形用金型であって、磁力発生手段を有する、筒状の金型本体と、前記金型本体の内周面の内側に装着されており、前記キャビティの前記ローラ本体部の成形領域の全長に亘って延在する、着脱可能な非磁性のインナーパイプと、を備える。【選択図】図１
Bibliography:Application Number: JP20170132437