Crushing machine for coarse crushing of brittle materials

Claim 2

Crushing machine for the coarse crushing of brittle materials, such as anode butts in the aluminum electrolysis industry, by utilizing impact energy comprising the combination of a grate having openings dimensioned in accordance with the desired degree of crushing, holding means cooperating with said grate, means for relatively moving said holding means and said grate to hold the goods to be crushed, at least one striking tool when said goods are held fast exerting an impact effect on said goods and means for pressing said grate and said holding means together continuously against said goods during the operation of said striking tool.

Claim 3

Crushing machine according to claim 1 wherein said grate is substantially horizontal and said holding means is located above said grate.

Claim 4

Crushing machine for the coarse crushing of brittle materials, such as anode butts in the aluminum electrolysis industry, by utilizing impact energy, comprising the combination of a grate having openings dimensioned in accordance with the desired degree of crushing, holding means cooperating with said grate, means for relatively moving said holding means and said grate to hold the goods to be crushed, at least one striking tool when said goods are held fast exerting an impact effect on said goods, and means for pressing said grate and said holding means together continuously against said goods during the operation of said striking tool, said grate being generally horizontal and said holding means being located above said grate, and said striking tool being adapted to work the goods from that side on which said holding means engages the same and on portions of the goods accessible past said holding means.

Claim 5

Crushing machine for the coarse crushing of brittle materials, such as anode butts in the aluminum electrolysis industry, by utilizing impact energy, comprising the combination of a grate having openings dimensioned in accordance with the desired degree of crushing, holding means cooperating with said grate, means for relatively moving said holding means and said grate to hold the goods to be crushed, at least one striking tool when said goods are held fast exerting an impact effect on said goods, and means for pressing said grate and said holding means together continuously against said goods during the operation of said striking tool, said grate being generally horizontal and said holding means being located above said grate, and said striking tool being adapted to work the goods from that side on which said holding means engages the same and on portions of the goods accessible past said holding means.

Claim 6

Crushing machine according to claim 3 wherein a plurality of striking tools are provided and means operate one of said striking tools at a time in sequence according to a determined cycle.

Claim 7

Crushing machine according to claim 3 wherein a plurality of striking tools are provided and means operate all said striking tools substantially simultaneously.

Claim 8

Crushing machine according to claim 2 wherein said holding means is stationary and said grate is movable relative thereto.

Claim 9

Crushing machine according to claim 2 wherein said striking tool works the goods from that side on which said holding means engages the same end on portions of the goods accessible past said holding means, said holding means being stationary and the grate being movable with respect thereto.

Claim 10

Crushing machine according to claim 7 wherein means are provided for said grate to assume inclined positions with respect to said holding means depending upon the shape of the goods.

Claim 11

Crushing machine according to claim 7, wherein there is proviDed an end switch for said grate whereby the movements thereof towards said holding means and the striking action is stopped when a predetermined minimum spacing between said grate and said holding means is attained.

Claim 12

Crushing machine according to claim 3 wherein there is provided a scraper conveyor to move said goods onto said grate and said holding means is movable vertically.

Claim 13

Crushing machine according to claim 3, wherein said grate is a chain conveyor and said holding means is movable vertically.

Claim 14

Crushing machine according to claim 10 wherein said holding means assumes inclined positions with respect to said grate.

Claim 15

Crushing machine according to claim 11 wherein said holding means assumes inclined positions with respect to said grate.

Claim 16

Crushing machine according to claim 10 wherein an end switch is provided for said holding means so that the movement thereof towards said grate and the striking action is stopped when a predetermined minimum distance between said holding means and said grate is attained.

Claim 17

Crushing machine according to claim 11 wherein an end switch is provided for said holding means so that the movement thereof towards said grate and the striking action is stopped when a predetermined minimum distance between said holding means and said grate is attained.

Claim 18

Crushing machine according to claim 1 wherein a plurality of striking tools are provided and means operate one of said striking tools at a time in sequence according to a determined cycle.

Claim 19

Crushing machine according to claim 1 wherein a plurality of striking tools are provided and means operate all said striking tools substantially simultaneously.

Claim 20

Crushing machine according to claim 1 wherein said holding means is stationary and said grate is movable relative thereto.

Claim 21

Crushing machine according to claim 1 wherein said grate is vibrated in the pauses between the operating intervals of said striking tool.

Claim 22

Crushing machine according to claim 1 wherein said grate and said holding means are removed from each other in pauses between the operating intervals of said striking tool.