Patent ID: 6089159
Filing Date: 2000-07-18
Classification: B05C,B41F

Abstract:
A system for applying a pumpable substance to running material webs or parts thereof, comprising:a chambered doctor blade casing provided with a space for the pumpable substance;at least one inlet and at least one outlet for the pumpable substance; andat least two doctor blades detachably mounted on the chambered doctor blade casing, said blades bounding an opening which, in operation, faces an outer circumference of a roller and which extends over the length of the chambered doctor blade casing, and the chambered doctor blade casing being sealed at its end faces by detachable seals,characterized in that the chambered doctor blade casing comprises a detachable inner trough, said inner trough being formed of a thin plate having an essentially M-shaped section which is open on one side and has inwardly bent-over feet, and a supporting construction for the inner trough of the chambered doctor blade casing, the supporting construction having members for attachment to suspension members in a printing or coating machine and against which the inner trough of the chambered doctor blade abuts with a proper fit, both the inner trough of the chambered doctor blade casing and the supporting construction being provided with openings for passing through the inlet and outlet of the pumpable substance.