US PATENT SUBCLASS 65 / 37
.~.~ Lens making

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

17.1  DF  PROCESSES {32}
36  DF  .~ Fusion bonding of glass to a formed part {12}
37.~.~ Lens making {2}
38  DF  .~.~.~> With bonding of at least three formed parts
39  DF  .~.~.~> With molding or reshaping of glass to assume shape of configured lens part during bonding

DEFINITION

Classification: 65/37

(under subclass 36) Processes directed to the formation of an optical lens by a bonding operation.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

99+, and 443+ for processes and apparatus for making optically transparent sandwiches by a laminating operation provided for in Class 156 combined with a glass bending operation.

351, Optics: Eye Examining, Vision Testing and Correcting,

177, for methods of making ophthalmic lenses which usually involve some combination of grinding, glass manufacturing and adhesive bonding.