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Expired
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Charles Ehrhard
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Individual
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Individual
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Publication of GB190424044ApublicationCriticalpatent/GB190424044A/en
24,044. Ehrhard, C. Nov. 7. Screens.-To render folding screens draught proof, a slip b of flexible material is inserted in grooves a cut in the adjacent edges of the screen between the hinges. The slip b is secured in position at intervals by tapes c fixed in apaces f by pins, screws, or otherwise, such spaces being rendered accessible by the removal of the rabbets g. The hinges are placed as near the ends of the screen as possible ; if more than two hinges are used, several slips are used between the hinges.
GB190424044D1904-11-071904-11-07Improvements in Folding Screens
ExpiredGB190424044A
(en)
Process and device used for the manufacture of sheets or strips of thin paper, cardboard and strong paper satin or smooth on one side and at the same time exhibiting on this side a special property (coloring, greater density, etc.)