Title:
STONE SPLITTING AND TOOL USED FOR STONE BREAKING
Document Type and Number:
Japanese Patent JP2632295
Kind Code:
B2
Abstract:
PURPOSE: To ensure that the split face of a stone is flat and the finish processing of the split face is easy and at the same time, the yield of a processed stone is increased by forming a traversing groove on the upper surface of a stone, introducing a pair of intervenient materials into the groove, then interposing a wedge between these paired intervenient materials, and stroking this wedge.
CONSTITUTION: A stone 1 is positioned with the upper surface 2 levelled, and a groove 4 with a recessed cross section is formed traversing the upper surface 2 along almost the center longitudinal direction. In addition, a pair of intervenient materials 5, 5 which are thick and somewhat long with an almost L cross section, consisting of a vertical interposed part and a horizontal deposition part, are hooked in the groove 4. In this case, the inner face angular part of the deposition part and the interposed part are fitted to an angular part with the groove 4 on the upper surface 2 of the stone, then the inner surface of the deposition part is allowed to come into contact with the upper surface 2 of the stone, and the inner surface of the interposed part is also allowed to come into contact with the wall of the groove 4. Further, the wedge 12 is caused to intervene in the gradient faces 7, 7 of the intervenient materials 5, 5. When splitting the stone 1, an outwardly acting force is repeatedly applied to the gradient faces 7, 7 against which the intervenient materials 5, 5 are set by stroking the heads 13 of the wedges 12 alternately. Thus the center of the tip bottom of the wedge 12 is repeatedly forced to come into contact with the interposed part.
Inventors:
TANIGUCHI NOBUYUKI
Application Number:
JP26093594A
Publication Date:
July 23, 1997
Filing Date:
October 03, 1994
Export Citation:
Assignee:
TANIGUCHI KOGYO JUGENGAISHA
International Classes:
B28D1/26; B28D1/32; (IPC1-7): B28D1/26; B28D1/32
Domestic Patent References:
| JP6299593A | ||||
| JP54119168A | ||||
| JP5337262A | ||||
| JP671637A |
Attorney, Agent or Firm:
Kikuchi Takeshi
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