Rock crusher aggregate screen repair accessory apparatus and met

Classifying – separating – and assorting solids – Sifting – Plane sifters

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209403, 245 2, B07B 128

Patent

active

052752933

ABSTRACT:
An aggregate screen repair/screen modification kit including at least one screen patch member. The screen patch member is formed from a rigid mesh material that requires a hand tool to effect a repair, or modification task, and that also conforms to specified mesh material strength requirements of a damaged aggregate screen, or of a functional screen section that needs to be modified. The shape of the screen is the same as the damaged screen area, or the modification area on the screen section to be modified. The screen patch member is provided with a plurality of first engagement members and a plurality of oppositely disposed second engagement members. To obtain a reliable screen patch, the first and second plurality of engagement members are provided with complementary and co-acting engagement structure for co-acting with each other for effecting a continuous, firm, stable, and fixed engagement with the mesh elements associated with the damaged screen area, or with the mesh elements associated with the modification area. The engagement may be by hooking/clamping or by merely clamping, depending upon the screen structure selected. To assure an even distribution of an aggregate material being processed through the mesh, the screen patch is formed having an impact mesh surface made up of a plurality of criss-cross points that define a rigid plane having the same rigidity as the primary screen.

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patent: 4760980 (1988-08-01), Sharpe

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