Patent · US Active

Disk buffing apparatus with abrasive tape loading pad having a vibration absorbing layer

US9296082B1 · kind B1 · utility

3Cited by

248References

20Claims

0Family size

Assignee

WD MEDIA, LLC · US

Inventors

Prem Kumar Kesvanathan · Bukit Mertajam, MY
Shaun H. Chen · Cupertino, US

Key dates

Filing date	Dec 4, 2013
Grant date	Mar 29, 2016
Priority date	—
Expiry date	Dec 27, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24B27/0076
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A disk buffing apparatus includes a spindle for rotating an annular disk, and a first pad arm for loading a first abrasive tape against a first surface of the annular disk. The first pad arm includes a pad arm frame having a pad receptacle and a first pad. The first pad has a first damping layer in contact with the first pad arm within the pad receptacle, and a first tape loading layer for contacting the first abrasive tape. The first damping layer comprises a first polymeric material and the first tape loading layer comprises a second polymeric material. The first polymeric material has a lesser hardness than the second polymeric material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.