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US 11,926,962 B2Granted
Scraper bar for use in a plant for producing a paper web and plant having the scraper bar
OwnerKlaus Bartelmussinventor
Life of this patent
Estimating the term…
Abstract
A scraper bar is used in a plant for producing a paper web with a sieve belt. The sieve belt is movable over the scraper bar transversely with respect to the longitudinal extent of the scraper bar. The scraper bar has wearing elements which face toward the sieve belt, are mounted on a supporting bar and are arranged one after the other in the direction of the longitudinal extent of the scraper bar. The supporting bar has supporting bar elements which are arranged one after the other in the longitudinal extent and which are preferably connected to one another and on which the wearing elements are fastened.
Claims17
A scraper bar for use in a plant for producing a paper web with a sieve belt, the scraper bar comprising:
- a scraper body having a longitudinal extent and the sieve belt is movable over said scraper body transversely with respect to the longitudinal extent, said scraper body having a supporting bar and wearing elements disposed above said supporting bar, said wearing elements facing toward the sieve belt and disposed one after another in a direction of the longitudinal extent of said scraper body, said supporting bar having supporting bar elements disposed one after another in the direction of the longitudinal extent and are connected to one another, and said wearing elements are fastened on said support bar elements;
- and
- said supporting bar elements having end faces at which they bear against adjacent ones of said supporting bar elements, said supporting bar elements each having at, at least one end face of said end faces, a form-fit geometry which engages into said form-fit geometry of an adjoining one of said supporting bar elements, said form-fit geometry having ribs or projections being oriented horizontally, and parallel to said wearing elements, such that joined together said supporting bar elements engage in one another in a tooth-shaped manner by way of said form-fit geometry of each of said supporting bar elements, wherein said form-fit geometry ensures that top sides of adjoining ones of said wearing elements supported by said supporting bar elements are exactly aligned with each other in their respective heights.
A plant for producing a paper web, the plant comprising:
- a sieve belt;
- scraper bars, wherein said sieve belt is movable transversely over said scraper bars, said scraper bars have supporting bars and wearing elements disposed above said supporting bars, said wearing elements face toward said sieve belt and are disposed one after another in a direction of a longitudinal extent of said scraper bars, each of said supporting bars having supporting bar elements disposed one after another in the direction of the longitudinal extent and are connected to one another, and said wearing elements are fastened on said support bar elements;
- and
- said supporting bar elements having end faces at which they bear against adjacent ones of said supporting bar elements, said supporting bar elements each having at, at least one end face of said end faces, a form-fit geometry which engages into said form-fit geometry of an adjoining one of said supporting bar elements, said form-fit geometry having ribs or projections being oriented horizontally, and parallel to said wearing elements, such that joined together said supporting bar elements engage in one another in a tooth-shaped manner by way of said form-fit geometry of each of said supporting bar elements, wherein said form-fit geometry ensures that top sides of adjoining ones of said wearing elements supported by said supporting bar elements are exactly aligned with each other in their respective heights.
1 more element
A plant for producing a paper web, the plant comprising:
- a sieve belt;
- at least two scraper bars, said sieve belt being movable transversely over said scraper bars, and said scraper bars each have a supporting bar and wearing elements disposed above said supporting bars, said wearing elements facing toward said sieve belt and disposed one after another in a direction of a longitudinal extent of a respective one of said scraper bars, wherein said supporting bar has supporting bar elements disposed one after another in the direction of the longitudinal extent and are connected to one another, and said wearing elements are fastened on said support bar elements;
- said supporting bar elements having end faces at which they bear against adjacent ones of said supporting bar elements, said supporting bar elements each having at, at least one end face of said end faces, a form-fit geometry which engages into said form-fit geometry of an adjoining one of said supporting bar elements, said form-fit geometry having ribs or projections being oriented horizontally, and parallel to said wearing elements, such that joined together said supporting bar elements engage in one another in a tooth-shaped manner by way of said form-fit geometry of each of said supporting bar elements, wherein said form-fit geometry ensures that top sides of adjoining ones of said wearing elements supported by said supporting bar elements are exactly aligned with each other in their respective heights;
- a kit having said at least two scraper bars, said scraper bars disposed parallel next to one another;
- a frame having at least two transverse members disposed transversely under said scraper bars;
- and
- two longitudinal members connected to said transverse members and being disposed parallel to said scraper bars and between said longitudinal members said scraper bars are received.
4 more elements
Dependencies are inferred from the claim text.