01-04-1942 дата публикации
Номер: GB0000544208A
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Принадлежит:
... 544,208. Making laminated building elements. STRABLE, J. F., and GYPROC PRODUCTS, Ltd. Jan. 22, 1941, No. 870. [Class 140] An apparatus for offsetting alternate laminae of a laminated building element, such as that described in Specification 541,733, to provide tongued and grooved joints on opposite edges of the element, comprises a fixed and a movable head stop 6 and 12, Figs. 1, 2, carried by spacedapart angle irons 2, to which is pivoted a lever 9 adapted to engage and slide the head stop 12 forward against the resistance of a spring 19 so as to engage a stack of laminae 20 piled as shown, these laminae comprising, for example, plaster boards coated with adhesive. Teeth 6a projecting from the head stops engage alternate laminae staggered at each end of the pile and cause them to slide so as to provide the ends of the 'pile with tongues and grooves. To ensure that the laminae are kept parallel, the laminae 20 are stacked between posts 22, Fig. 4, upstanding from a table 20, alternate ...
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