WO2022185175A1 - A cutting tool for simultaneously cutting a block of stone into one or more pieces by press - Google Patents
A cutting tool for simultaneously cutting a block of stone into one or more pieces by press Download PDFInfo
- Publication number
- WO2022185175A1 WO2022185175A1 PCT/IB2022/051726 IB2022051726W WO2022185175A1 WO 2022185175 A1 WO2022185175 A1 WO 2022185175A1 IB 2022051726 W IB2022051726 W IB 2022051726W WO 2022185175 A1 WO2022185175 A1 WO 2022185175A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cutting
- stone
- sections
- cutting tool
- block
- Prior art date
Links
- 239000004575 stone Substances 0.000 title claims abstract description 96
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 11
- 239000011435 rock Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/222—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising by pressing, e.g. presses
Definitions
- the present invention is enclosed in the area of cutting blocks of stone into smaller pieces, through a press.
- EP 1155797 Another solution is that of EP 1155797, which follows the same principle, but using two blades and an additional cutting element provided between such blades.
- the present solution allows to avoid waste, by cutting a block of stone into one or more pieces using all the block of stone, without leading to additional waste in each cut. Furthermore, it still allows a simultaneous and reliable cut by press. It thereby consists of an enhancement which innovatively overcomes the prior art solutions.
- a cutting tool for simultaneously cutting a block of stone into one or more pieces by press which comprises at least three cutting sections configured to cut stone, each of the cutting sections comprising an edge for the cutting of stone, all the edges being arranged in a same plane, wherein the cutting sections comprise:
- transversal cutting section comprising two ends
- flank cutting sections comprising:
- each of the flank cutting sections being connected to a different end of the transversal cutting section
- the cutting tool of the present invention is formed by at least three cutting sections which, together, form a tool which has an open side, oppositely to the prior art solutions.
- Such open side is provided by the free ends of the two flank cutting sections.
- the pressing of such tool against a block of stone - in particular of the edges of the cutting sections of the tool - the block of stone is constrained by at least an area formed by each flank cutting section and at least a portion of the transversal cutting section. In such area, one side is open, which is that in between the ends of the respective flank cutting sections.
- the cutting tool of the present invention allows to avoid waste, by cutting a block of stone into one or more pieces using all the block, without leading to waste in each cut. Still, it overcomes prior art solutions with a single blade by maintaining a high reliability of the cut while providing for the simultaneous cut of one or more pieces.
- edges of the cutting sections being provided in a same plane. As shown in the figures 2-6 (which are described in the following sections), such plane is imaginary, representing the arrangement of the cutting sections and respective edges.
- the cutting tool may further comprise at least four cutting sections configured to cut stone, and it further comprises at least one inner cutting section provided between the two flank cutting sections and having:
- each of the flank cutting sections being connected to a different end of the transversal cutting section
- an open side is provided by the free ends of the two flank cutting sections and of the at least one inner cutting section.
- the block of stone is thereby constrained by at least two areas: each formed by one flank cutting section, an inner cutting section and a portion of the transversal cutting section in between such flank cutting section and inner cutting section. In such areas, one side is open, which is that in between the ends of the respective flank cutting section and inner cutting section.
- the cutting tool comprises more than one inner cutting section
- a part of the block of stone may thereby be constrained by two inner cutting sections and a portion of the transversal cutting section in between such inner cutting sections, leading to the simultaneous cut of two or more pieces of stone.
- a press for cutting a block of stone into one or more pieces by press which comprises i) two cutting tools according to the present invention, in any of its embodiments, in which at least one of such cutting tools is movable, and ii) means for moving the movable cutting tool between a release and a cutting position, wherein the movable cutting tool is connected to the means for moving and the means for moving are configured such that, in the release position, the cutting tool is provided away from the other cutting tool and while moving to the cutting position, the cutting tool is moved towards the other cutting tool such that the edges simultaneously cut through a block of stone, the block thereby being cut into one or more pieces.
- the press of the present invention provides the same advantages as the cutting tool, adding further inventive aspects.
- the press operates with means for moving the at least one movable cutting tool at least between a release and a cutting position.
- the press In the release position, the press allows for the positioning of the block of stone to be cut by the cutting tools.
- a press of the cutting tools against the block of stone is provided, leading to the cut of one or more pieces of stone according to the format of the cutting tools.
- Figure la representation of a prior art solution (top view), consisting of a frame (1) with six blades (2), one of which a frontal blade (21), thereby forming three individual closed spaces.
- Figures lb, lc - these figures represent of the operation of the frame (1) of Figure la (side view), the frame being moved from a first position in Figure lb down to a second position in Figure lc, representing the cutting by press of the pieces of stone.
- By pressing such frame (1) represented in Figures lb and lc through the downwards pointing arrow
- the imaginary lines (3) represent the direction of movement of the frame.
- FIG. 2 Figure 2 - representation of an embodiment of a cutting tool (100) (top view) according to the present invention, allowing to obtain three pieces of stone.
- the cutting tool (100) comprises a single transversal cutting section (201), two inner cutting sections (202) and two flank cutting sections (203).
- the inner cutting sections (202) and the flank cutting sections (203) are parallel and thereby perpendicular to the transversal cutting section (201).
- Such tool allows to obtain three pieces of rock with a substantially equal cross section.
- FIG 3 - representation of an embodiment of a cutting tool (100) (top view) according to the present invention, allowing to obtain two pieces of stone.
- the cutting tool (100) is identical to that of Figure 2 except in that it has a single inner cutting section (202) thereby allowing to obtain two pieces of rock with a substantially equal cross section.
- Figures 4a, 4b - these figures represent of the operation of an embodiment of the cutting tool (100) of the present invention, in side view.
- the cutting tool (100) is moved from a first position shown in Figure 4a (which corresponds to the release position, in the case of the press of the present invention) to a second position shown in Figure 4b (which corresponds to the cutting position, in the case of the press of the present invention).
- the imaginary lines (3) represent the direction of movement of the cutting tool (100).
- a free side which is provided by the open edges of the inner and flank cutting sections (202, 203)
- the operation of the cutting tool in cutting the block of stone (5) into several pieces results in no waste, as no chips are formed due to the free side.
- a corresponding cutting tool would be provided below the block of stone (not shown).
- FIG. 5 Figure 5 - representation of three pieces of stone (55) cut from a block of stone (5) with the cutting tool of the present invention.
- the used cutting tool had two inner cutting sections.
- the pieces of stone (5) are represented, for a matter of simplicity, without depth. Vet, the solution of the present invention leads to obtaining pieces of stone which (55) which are three-dimensional.
- Figure 6 three-dimensional representation of an embodiment of a cutting tool (100) according to the present invention, allowing to obtain three pieces of stone.
- This embodiment corresponds to that of figure 2.
- It further represents a cutting tool base (204) into which the several cutting sections (201, 202, 203) are provided.
- the cutting tool base (204) comprises recesses (205) formed between the cutting sections which provide for the cutting of the stone into pieces.
- a press comprising two oppositely provided cutting tools (100) thereby allows to cut stone.
- the cutting tool may be adapted by containing one or more inner cutting sections, thereby simultaneously cutting a block of stone into two or more pieces.
- the cutting tool may thereby cut a block of stone into n pieces, depending on the n-1 inner cutting sections, where n is an integer equal or larger than 2.
- the transversal cutting section, the flank cutting sections and the inner cutting section are straight. Such allows to obtain substantially regular solids, such as cubes, rectangular parallelepipeds, or prismatic objects.
- the flank cutting sections and the inner cutting section form right angles with the transversal cutting section, thereby being parallel to each other. Such restricts the obtained pieces of stone to substantially regular solids such as cubes or rectangular parallelepipeds.
- the flank cutting sections and the inner cutting section Preferably, and in order to have a same result for all of the cut pieces of stone, the flank cutting sections and the inner cutting section have the same length.
- the spacing between an inner cutting section and a flank cutting section is equal to the length of the flank cutting sections and the inner cutting section.
- the cutting tool comprises a plurality of inner cutting sections, preferably two inner cutting sections, having equal spacings from each other and each of the flank cutting sections.
- inner cutting sections preferably two inner cutting sections, having equal spacings from each other and each of the flank cutting sections.
- Further inner cutting sections may be added wherein, for n inner cutting sections, n+1 pieces of stone are obtained.
- the cutting tool comprises a single inner cutting section, preferably having the same spacing to each of the two flank cutting sections.
- a single inner cutting section preferably having the same spacing to each of the two flank cutting sections.
- each pavement stone corresponding to a cut piece of stone the spacing between an inner cutting section and a flank cutting section is of 40-400 mm, optionally of 40-250 mm, optionally of 40-150 mm, optionally of 40, 45, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250 mm.
- each pavement stone corresponding to a cut piece of stone the length of the edge of each of the inner cutting section and flank cutting sections is of 40-400 mm, optionally of 40-250 mm, more preferably 40-150 mm, optionally of 40, 45, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250 mm.
- the cutting sections and respective edges form a single piece.
- the cutting sections are separate elements.
- the cutting sections comprise, preferably are made of, a hardened metallic material, preferably steel.
- the press may be adapted by containing a cutting tool with one or more inner cutting sections, thereby simultaneously cutting a block of stone into two or more pieces.
- the press may thereby cut a block of stone into n pieces, depending of the n-1 inner cutting sections, where n is an integer equal or larger than 2.
- the press may comprise a movable cutting tool and a fixed cutting tool, in which only the movable cutting tool moves, towards and away from the fixed cutting tool.
- the block of stone is provided in position to be cut which is adjacent to the fixed cutting tool.
- the press may alternatively comprise two movable cutting tools, in which both move, towards and away from the other cutting tool.
- the block of stone is provided in a central position, which provides that it is cut into one or more pieces when the two movable cutting tools move towards each other, into the respective cutting positions.
- the cutting tools may be provided perpendicularly to a surface in which the block of stone is provided, in a positioning which may be referred to as lateral (one cutting tool on the left, another cutting tool on the right).
- the cutting may be provided in parallel to a surface in which the block of stone is provided, in a positioning which may be referred to as vertical (one cutting tool provided above, another cutting tool provided below, in which case the cutting tool provided below is preferably a fixed cutting tool, and which corresponds to the surface in which the block of stone is provided.
- the press comprises a cutting tool with at least four cutting sections and respective edges are separate, not forming a single piece.
- the press further comprises a support, wherein such support comprises recesses in which each of the cutting sections may be provided.
- a cutting tool may comprise two flank cutting sections, a transversal cutting section and an inner cutting section. In such way, the cutting tool provides for the cutting of a stone into two pieces. If the inner cutting section is removed from its recess, the cutting tool is adapted in a very simplified manner for the cutting of a single piece.
- the support is couplable to a base of the press.
- the support may comprise through-holes in which coupling elements such as bolts may be provided, to couple the support and thereby the cutting sections to the base.
- the press further comprises a feeder, the feeder being configured to push a block of stone to a position in which it is cut by the cutting tools. Due to the format of the cutting tools, which allow to simultaneously cut one or more pieces of stone by press without waste, the feeder may be significantly simple, namely being configured to only push a block of stone along a single direction.
- control means the control means being configured to:
- the press is a hydraulic or a pneumatic press.
- the press comprises means for constraining a block of stone, the means for constraining being configured to provide a lateral constraining of the block of stone, which is perpendicular to the direction of movement of the means for moving and to the direction of movement of the feeder.
- the present invention includes the use of the cutting tool of the present invention, in any of its embodiments, to simultaneously cut a block of stone into one or more pieces by pressing or for obtaining chipped pieces of stone.
- the present invention includes the use of the press of the present invention, in any of its embodiments, to simultaneously cut a block of stone into one or more pieces by pressing or for obtaining chipped pieces of stone.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112023017028A BR112023017028A2 (en) | 2021-03-02 | 2022-02-28 | CUTTING TOOL FOR SIMULTANEOUSLY CUTTING A BLOCK OF STONE INTO ONE OR MORE PIECES BY PRESS |
EP22711611.8A EP4301568A1 (en) | 2021-03-02 | 2022-02-28 | A cutting tool for simultaneously cutting a block of stone into one or more pieces by press |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT117096 | 2021-03-02 | ||
PT11709621 | 2021-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022185175A1 true WO2022185175A1 (en) | 2022-09-09 |
Family
ID=80819880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2022/051726 WO2022185175A1 (en) | 2021-03-02 | 2022-02-28 | A cutting tool for simultaneously cutting a block of stone into one or more pieces by press |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4301568A1 (en) |
BR (1) | BR112023017028A2 (en) |
WO (1) | WO2022185175A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4409923A1 (en) * | 1994-03-23 | 1995-09-28 | Ehl Gmbh Baustoffwerk Kruft | Process for the mfr. of columnar concrete blocks with profiled surfaces |
JPH11192615A (en) * | 1998-01-05 | 1999-07-21 | Newman International:Kk | Stone material cutting blade |
EP1155797A1 (en) | 2000-05-17 | 2001-11-21 | Almi Machinefabriek B.V. | Hydraulic stone splitter |
US20060112946A1 (en) * | 2004-11-30 | 2006-06-01 | Tetsugoro Kitahara | Block working blade unit, block chipping machine and block chipping process |
EP3007872A1 (en) | 2013-11-18 | 2016-04-20 | Pavestone LLC | Rock face splitting apparatus and method |
-
2022
- 2022-02-28 BR BR112023017028A patent/BR112023017028A2/en unknown
- 2022-02-28 WO PCT/IB2022/051726 patent/WO2022185175A1/en active Application Filing
- 2022-02-28 EP EP22711611.8A patent/EP4301568A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4409923A1 (en) * | 1994-03-23 | 1995-09-28 | Ehl Gmbh Baustoffwerk Kruft | Process for the mfr. of columnar concrete blocks with profiled surfaces |
JPH11192615A (en) * | 1998-01-05 | 1999-07-21 | Newman International:Kk | Stone material cutting blade |
EP1155797A1 (en) | 2000-05-17 | 2001-11-21 | Almi Machinefabriek B.V. | Hydraulic stone splitter |
US20060112946A1 (en) * | 2004-11-30 | 2006-06-01 | Tetsugoro Kitahara | Block working blade unit, block chipping machine and block chipping process |
EP3007872A1 (en) | 2013-11-18 | 2016-04-20 | Pavestone LLC | Rock face splitting apparatus and method |
Also Published As
Publication number | Publication date |
---|---|
EP4301568A1 (en) | 2024-01-10 |
BR112023017028A2 (en) | 2024-02-27 |
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