Stock material or miscellaneous articles – Two dimensionally sectional layer – Transparent or translucent layer or section
Patent
1985-11-27
1987-03-31
Thomas, Alexander S.
Stock material or miscellaneous articles
Two dimensionally sectional layer
Transparent or translucent layer or section
428 48, 350262, 350265, 350286, B32B 314
Patent
active
046542434
ABSTRACT:
Since only relatively small-area prism sub-plates can be manufactured in warp-free fashion, large area prism plates are formed of a plurality of sub-plates. A connection of the sub-plates must be stable and the expense for joining the sub-plates should be as low as possible. To create the large-area prism plate, adjoining sub-plates are connected to one another in two dimensions by at least one positive lock plug-type connection comprising locking projections and locking projection receptacleswhich form plug-type connections secured by latching devices which do not allow a dislocation of the joined sub-plates in a third dimension.
Lang Georg
Moench Julius
Mueller Herbert
Rentzsch Heinz
Siemens Aktiengesellschaft
Thomas Alexander S.
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