Title: Abrasive tape apparatus for contouring a flexible lens

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Claims: We claim:

1. An apparatus for machining an article formed of a non-rigid material comprising an abrasive tape having an article engaging area, abrasive tape carrying and moving means including means for oscillating the article engaging area of the abrasive tape through an arc; and article holding means having means for moving the article into engagement with the abrasive tape, the tape being unsupported except at points spaced from the article engaging area during engagement of the article with the tape.

Other info:

Inventors: Trombley, Wayne E. (Midland, MI, US)
Jacobson, Lawrence R. (Midland, MI, US)

Application Number: 535870
Filing Date: 1974-12-23
Publication_date: 1976-07-27
Assignee: Dow Corning Corporation (Midland, MI)
Primary Class(es): 451/163
Other Classes:
US Patent Ref:

2258733	Oct, 1941	Brackett	51/62.
2453972	Nov, 1948	Clave et al.	51/62.
3238676	Mar, 1966	Borish	51/284.

Other Refs:
Primary Examiner: Smith, Al Lawrence
Assistant Examiner: Godici, Nicholas P.
Attorney: Hermann; Howard W.