| 摘要 |
A flexible transparent envelope for packaging photographic slides which has opposed inwardly opening pockets with means for attaching the envelope package along with other similar envelopes along one marginal edge thereof into a book or folder for easy inspection and compact storage, said invention also including a machine which folds the slide-packaging envelope along its longitudinal center line to expose the inner open ends of the pockets on both sides of said center line and successively inserts said slides into said pockets in assembly line fashion as said slides are delivered by a conventional slide machine, such as the "Pakon" mounter manufactured by Pako Corporation, Minneapolis, Minnesota, the assignee hereunder. The invention also relates to the method of packaging the slides in said envelopes.
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