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.)
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.)
Seiko Epson Corp
Suwa Seikosha KK
Tenryu Industries Co Ltd
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
Tenryu Industries Co 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 Seiko Epson Corp, Suwa Seikosha KK, Tenryu Industries Co LtdfiledCriticalSeiko Epson Corp
Priority to JP9793478ApriorityCriticalpatent/JPS5524868A/en
Publication of JPS5524868ApublicationCriticalpatent/JPS5524868A/en
PURPOSE: To provide a grinding belt for being capable of grinding smoothly an inner surface of an object whose inner shape is square or polygonal and of giving a fine grinding finish to a surface.
CONSTITUTION: Grinding particles 12, 22 and 32 are adhered to or embedded in a whole circumferene of or a part of a cross-section of belt base materials 11, 21 and 31 which are made of rubber and synthetic resin, or an animal fiber and a vegetable fiber, and which have a round or semicylindrical cross-section, or a cross-section formed in combination of curved and a straight line.