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US 2015/0083005 A1Published application
Printing screens, frames therefor and printing screen units
AssigneeDEK Vectorguard Limited
InventorsJames Graham Hall, Fraser Shaw
Life of this patent
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Abstract
A printing screen, comprising a sheet, at least sections of at least one pair of opposite edges of which are folded such as to define attachment elements, and a printing screen unit including at least one pair of interface members attachable to the attachment elements at the at least one pair of opposite edges of the sheet.
Claims9
A printing screen unit, comprising:
- a printing screen, comprising a sheet;
- and
- a rectangular frame having opposite sides to which respective sides of the sheet are attached;
- wherein the sides of the frame can shift in the place of the frame relative to adjacent sides of the frame, whereby the frame can be tensioned by an external tensioning mechanism to tension the sheet.
1 more element
A printing screen unit, comprising:
- a printing screen, comprising a flat stainless steel sheet having two pairs of opposite edges;
- and
- a frame comprising first and second pairs of interface members adhesively bonded along substantially the entire length thereof to the respective pairs of opposite edges of the sheet and coupled together at corners of the frame,
- wherein the frame holds the printing screen in an untensioned state when no tension is applied thereto by external tensioning mechanisms separate to the frame,
- the frame having no element or device mounted thereto or carried thereby for maintaining the printing screen in a tensioned state when no tension is applied thereto by external tensioning mechanisms separate to the frame, and
- the frame is substantially rigid when in the untensioned state, but allows for movement of the respective pairs of interface members by external tensioning mechanisms separate to the frame to tension the printing screen.
3 more elements
Dependencies are inferred from the claim text.