Other

Agfa Nv

Inca Digital Printers Limited

Andrew James Brown

Anderson McKeague

A sheetfor an array of vacuum aperturesin a substrate support unitof a printer is provided. The sheetcomprises a plurality of valvesformed into the sheet. The sheetis made from a resilient material. Each valvecomprises a valve headfor sealing a vacuum aperturein the substrate support unit, and a valve lever armfor permitting movement of the valve headtowards and away from the vacuum aperturein order to open and close the valve

Vacuum aperture valve array

A substrate support systemfor a conveyor printer is provided, comprising a support unitcomprising a plurality of vacuum aperturesarranged for fluidic communication with a source of negative pressure. The support unitalso comprises at least one air bearingarranged for fluidic communication with a source of positive pressure. The air bearingcomprises porous media. The substrate support systemalso comprises a conveyor beltarranged over the support unitfor supporting a substrateto be printed on. The conveyor beltcomprises a plurality of belt apertures. The vacuum aperturesare arranged to convey a negative pressure through the belt apertures for retaining the substrateon the conveyor belt. The at least one air bearingis arranged to convey a positive pressure to support the conveyor belt

Substrate support system for a conveyor printer

A trenching charge case having an upper casing part and lower casing part separately injection moulded from an electrically conductive plastics material, and formed with interengaging screw-threads to join the parts together with the cone of the case clamped between them, each of the parts of the casing being nestable with other like parts and the lower casing part comprising a depending wall to stand off the base of the cone from the surface to be excavated.

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Cambridge, United Kingdom

Andrew James Brown