WO2024012908A1 - Dispositif pour la découpe de plaques - Google Patents
Dispositif pour la découpe de plaques Download PDFInfo
- Publication number
- WO2024012908A1 WO2024012908A1 PCT/EP2023/068161 EP2023068161W WO2024012908A1 WO 2024012908 A1 WO2024012908 A1 WO 2024012908A1 EP 2023068161 W EP2023068161 W EP 2023068161W WO 2024012908 A1 WO2024012908 A1 WO 2024012908A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- profile
- measuring scale
- length measuring
- holding unit
- cutting tool
- Prior art date
Links
- 230000007423 decrease Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 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
- B28D1/225—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 for scoring or breaking, e.g. tiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
Definitions
- the invention relates to a device for cutting panels, comprising at least one holding unit for holding a cutting tool for marking and/or cutting the panels.
- Plate-shaped workpieces referred to as plates in the context of the registration and hereinafter, are used in a variety of designs in various areas.
- gypsum boards can be installed in the shell, which usually have to be cut to size in advance.
- panels in the form of tiles to cover floors, walls and/or ceilings, which usually requires some tiles to be cut to size.
- CN 211 467 014 II, DE 37 02 239 A1 and DE 89 14 776 U1 disclose differently designed tile cutters.
- One object of the invention is to reduce the effort involved in cutting panels.
- a device for cutting panels has at least one holding unit for holding a cutting tool for marking and / or cutting the panels, at least one straight profile, at least one in different positions relative to the profile, an adjustment unit that can be temporarily fixed to the profile and at least one first length measuring scale arranged on the profile along a longitudinal extent of the profile, the holding unit being fixed to an end section of the profile and the first length measuring scale being arranged on the profile in this way, that an amount of main scale numbers of the first length measuring scale decreases starting from the holding unit in the direction of the setting unit and a cutting tool arranged on the holding unit is arranged at a first maximum dimension of panels to be cut that is coordinated with the first length measuring scale.
- the device according to the invention can be used with the first length measuring scale, which can start, for example, at 130 cm, 140 cm or 150 cm .
- the first length measuring scale ends at its other end in front of the location at which the cutting tool can be arranged.
- the first length measuring scale is arranged on the profile in such a way that the first maximum dimension of the panel to be cut is coordinated with the first length measuring scale, but is not physically given by the first length measuring scale or cannot be read from it.
- the first length measuring scale and the holding unit are arranged relative to one another on the profile in such a way that a cutting tool arranged on the holding unit is located exactly at the first maximum dimension of the panel to be cut, which is coordinated with the first length measuring scale.
- the adjustment unit is first displaced relative to the profile until a guide surface of the adjustment unit facing the holding unit is arranged at the value 180 cm of the first length measuring scale .
- the setting unit is then mechanically fixed to the profile.
- the guide surface of the adjustment unit is inevitably arranged exactly 20 cm away from the location at which a cutting tool arranged on the holding unit can be arranged. After the cutting tool has been arranged on the holding unit, the guide surface of the adjusting unit can be flat.
- the chig can be placed on an edge of the panel to be cut, so that the device for cutting and/or marking the panel can be guided along the panel by guiding the guide surface of the adjusting unit along the edge of the panel.
- the plate is cut and/or torn at a distance of 20 cm from the edge of the plate, so that the plate is or can be cut to the desired maximum dimension of 180 cm in the length direction of the plate.
- the user does not have to determine an amount of the length of the board using mental calculations, but can directly set the desired width of the board on the device and then carry out the cutting and/or marking. This prevents processing errors caused by calculation errors in particular, which reduces material waste.
- a user does not need any other tool apart from the device according to the invention and the cutting tool arranged thereon, which greatly simplifies the implementation of the cutting and/or marking process for the user, which also increases the accuracy of the Process is increased and its repeatability is improved.
- the first length measuring scale is preferably linearly divided.
- the first length measuring scale can be metric or, for example, an inch scale.
- the first length measuring scale can, for example, be glued or laminated onto the profile or engraved or embossed into the profile.
- the first length measuring scale can be formed, for example, by a tape measure connected to the profile.
- the first length measuring scale can in particular extend over most of the length of the profile.
- the profile can be solid or designed as a hollow profile.
- the profile can be made partially or completely from a metal, for example aluminum, a metal alloy, or a composite material.
- the holding unit can be partially or completely connected to the end section of the profile, for example in a materially bonded manner, in particular welded to the end section, and thereby fixed to the profile.
- the adjustment unit is used to adjust the device according to the invention to the desired cutting and/or marking length.
- the setting unit is in different which positions can be positioned relative to the profile.
- the adjustment unit is guided on the profile so that it can be moved continuously.
- the setting unit can have, for example, a clamping mechanism.
- the profile can have a clamping mechanism for temporarily fixing the adjustment unit to the profile.
- the device according to the invention can be used for cutting panels in the form of plasterboard, tiles and the like.
- the respective plate cutting itself can be done directly by cutting using a cutting tool arranged on the device or indirectly only after the respective plate has been torn with the cutting tool.
- At least one guide surface facing the holding unit and oriented transversely to the longitudinal extent of the profile is arranged on the setting unit for guiding the setting unit along an edge of a plate to be cut.
- the guide surface can be brought into flat contact with the edge of the plate, which can largely prevent the profile from moving out of its relative position perpendicular to the edge when the guide surface is moved along the edge of the plate, which affects the accuracy of the cutting and /or tearing would affect.
- At least one second length measuring scale is arranged on the profile, running along the longitudinal extent of the profile and circumferentially offset from the first length measuring scale with respect to the longitudinal extent of the profile, the second length measuring scale being arranged on the profile in such a way that an amount of main scale numbers of the second length measuring scale decreases starting from the holding unit in the direction of the setting unit and a cutting tool arranged on the holding unit is arranged at a second maximum dimension, which is coordinated with the second length measuring scale and which deviates from the first maximum dimension, of panels to be cut.
- the second length measuring scale is preferably divided linearly.
- the second length measuring scale can be metric or, for example, an inch scale.
- the second length measuring scale can be, for example the profile may be glued or laminated or engraved or embossed into the profile.
- the second length measuring scale can be formed, for example, by a tape measure connected to the profile.
- the second length measuring scale can in particular extend over most of the length of the profile.
- At least one third length measuring scale is arranged on the profile, running along the longitudinal extent of the profile and circumferentially offset from the first length measuring scale with respect to the longitudinal extent of the profile, the third length measuring scale being arranged on the profile in such a way that an amount of main scale numbers of the third length measuring scale increases starting from the holding unit in the direction of the setting unit and a cutting tool arranged on the holding unit is arranged at a zero point of the third length measuring scale that is coordinated with the third length measuring scale.
- the device can also be used according to a conventional folding rule in order to be able to cut a strip of a certain width from a plate.
- the setting unit is set at 20 cm on the third length measuring scale if a 20 cm wide strip is to be cut from the plate.
- the third length measuring scale is preferably divided linearly.
- the third length measuring scale can be metric or, for example, an inch scale.
- the third length measuring scale can, for example, be glued or laminated onto the profile or engraved or embossed into the profile.
- the third length measuring scale can be formed, for example, by a tape measure connected to the profile.
- the third length measurement scale can extend in particular over most of the length of the profile.
- the profile has a polygonal cross-sectional area.
- the profile can have a triangular or square cross-sectional area, in particular an equilateral cross-sectional area.
- the respective length measuring scale can be arranged on a respective flat outside of the profile.
- the polygonal cross-sectional area of the profile can also prevent the adjustment unit from rotating relative to the profile during movement along the plate with respect to the longitudinal extent of the profile, which would also affect the accuracy of the cutting and/or marking.
- the adjustment unit has at least one sleeve that at least partially encloses the profile radially on the outside with respect to its longitudinal extent and at least one clamping screw screwed into a radially extending threaded bore of the sleeve.
- the shape of a cross-sectional area of the sleeve can be adapted to a shape of a cross-sectional area of the profile in order to keep play between the sleeve and the profile low.
- the clamping screw By screwing the clamping screw into the threaded hole of the sleeve, the clamping screw comes into contact with the profile running through the sleeve, so that the profile can be clamped between the clamping screw and a section of the sleeve opposite the clamping screw.
- the clamping screw can be actuated by means of a tool or preferably by means of a handle connected to it.
- the adjustment unit has at least one handle connected to the clamping screw in a rotationally fixed manner.
- the handle is preferably designed so large that it forms a handle, a knob or the like.
- the holding unit has at least one guide unit with an elongated recess for laterally guiding the cutting tool and at least one fastening element for fastening the cutting tool to the holding unit.
- the device has at least one cutting tool arranged on the holding unit in the form of a Stanley knife, the cutting tool being arranged on the holding unit so as to be pivotable by means of the fastening element about a pivot axis arranged parallel to the longitudinal extent of the profile between a cutting position and a rest position is.
- the device can be designed in such a way that the Stanley knife automatically moves into its rest position due to the weight acting on it and can be manually pivoted out of this into the cutting position.
- the fastening element can, for example, have a threaded bolt guided through a section of the Stanley knife, which forms the pivot axis and onto which a nut can be screwed to secure the Stanley knife, for which purpose the threaded bolt can have an external thread at least on its free end section.
- the device has at least one cutting tool arranged on the holding unit in the form of a cutting wheel rotatably arranged on the holding unit. This configuration particularly favors the use of the device for cutting and/or marking tiles.
- FIG. 1 shows a schematic representation of an exemplary embodiment of a device according to the invention with a Stanley knife arranged thereon;
- Fig. 2 shows a schematic representation of the device shown in Fig. 1 with a cutting wheel arranged thereon;
- Fig. 3 is a schematic side view of the device shown in Fig. 1;
- Fig. 4 is a further schematic side view of the device shown in Fig. 1;
- Fig. 5 is a schematic bottom view of the device shown in Fig. 1; and Fig. 6 is a schematic representation of the setting unit of the device shown in Fig. 1.
- Fig. 1 shows a schematic representation of an exemplary embodiment of a device 1 according to the invention for cutting panels, not shown.
- the device 1 has a holding unit 2 for holding a cutting tool 3 in the form of a Stanley knife for marking and/or cutting the panels.
- the holding unit 3 has an L-shaped body 4, which has a first leg 5 and a guide unit 6 aligned perpendicular to the leg 5.
- the guide unit 6 has an elongated, one-sided open recess 7 for lateral guidance of the cutting tool 3.
- the holding unit 2 has a fastening element 8 in the form of a threaded bolt for fastening the cutting tool 3 to the holding unit 2.
- the fastening element 8 is passed through the cutting tool 3.
- An adjusting nut 9 is screwed onto the fastening element 8, with which a position of the cutting tool 3 can be adjusted relative to the fastening element 8 or relative to the longitudinal extent of the fastening element 8.
- a self-locking nut 10 is screwed onto the fastening element 8, whereby the cutting tool is secured between the adjusting nut 9 and the self-locking nut 10.
- the fastening element 8 is also screwed into a threaded hole, not shown, on the leg 5, which should be indicated by the dashed line.
- the device 1 also has a straight profile 11 with a polygonal cross-sectional area.
- the profile 11 is made as a square hollow profile made of a light metal or a light metal alloy.
- a top 12 of the profile 11 is shown.
- the holding unit 2 is fastened by means of the leg 5 to the end of the profile 11 shown in FIG. 1, in particular welded to this end.
- On the top 12 of the hollow profile 11 there is a threaded hole 13 arranged, into which a threaded bolt, not shown, of a guide handle, not shown, can be screwed, over which the device 1 can be guided during a cutting and / or marking process.
- the cutting tool 3 is arranged on the holding unit 2 so as to be pivotable by means of the fastening element 8 about a pivot axis 14 arranged parallel to the longitudinal extent of the profile 11 between a cutting position (not shown) and the rest position shown in FIG.
- the device 1 has an adjustment unit 15 which can be temporarily fixed to the profile 11 in various positions relative to the profile 11.
- a guide surface 16 is arranged on the setting unit 15 and oriented transversely to the longitudinal extent of the profile 11 for guiding the setting unit 15 along an edge, not shown, of a plate to be cut, which is at least partially formed by two lateral guide flanges 25 of the setting unit 15 .
- the adjustment unit 15 has a sleeve 17 which at least partially encloses the profile 11 radially on the outside with respect to its longitudinal extent and a clamping screw shown in FIG. 6 which is screwed into a radially extending threaded bore 18 of the sleeve 17.
- the setting unit 15 has a handle which is connected in a rotationally fixed manner to the clamping screw and is shown in FIG. 6.
- the further structure of the setting unit 15 is shown in FIG. 6.
- the guide flanges 25 are arranged on opposite sections of the sleeve 17.
- Fig. 2 shows a schematic representation of the device 1 shown in Fig. 1 with a cutting tool 18 arranged thereon in the form of a cutting wheel rotatably arranged on the holding unit 2. This can be provided as an alternative to the cutting tool from FIG. 1.
- FIG. 3 shows a schematic side view of the device 1 shown in FIG.
- the first length measuring scale 20 is arranged on the profile 11 in such a way that an amount of main scale numbers (here: 60 (hidden by the sleeve 17), 70, 80, 90, 100, 110, 120), which are each given in cm, the first Length measuring scale 20 decreases starting from the holding unit 2 in the direction of the setting unit 15.
- a device arranged on the holding unit 2, shown for example in FIGS. 1 and 2 shown cutting tool is arranged on a first maximum dimension of 125 cm of panels to be cut, which is coordinated with the first length measuring scale 20 and indicated by a dashed line.
- the first maximum dimension of 125 cm forms a theoretical or imaginary end of the first length measuring scale 20, which in FIG. 3 is exactly in the middle above the one in the FIGS. 1 and 2 shown recess 7 of the guide unit 6 of the holding unit 2 lies.
- the adjustment unit 15 is arranged on the profile 11, as shown in FIG. 3, and temporarily on the profile in this relative position 11 fixed.
- the device 1 can then be placed on the plate so that the guide surface 16 of the adjusting unit 15 rests on an edge of the plate. Thereafter, the device 1 is pushed over the plate while the guide surface 16 of the adjusting unit 15 is continuously in contact with the edge of the plate and while the cutting tool has been brought into contact with the plate.
- a user of the device 1 does not have to do any calculations, but rather he can set the desired size of the plate directly on the device 1.
- FIG. 4 shows a further schematic side view of the device 1 shown in FIG 3 arranged first length measuring scale arranged second length measuring scale 22.
- the second length measuring scale 22 is arranged on the profile 11 in such a way that an amount of main scale numbers (here: 140, 150, 160, 170, 180, 190), each given in cm, is assigned to the second length measuring scale 22 starting from the holding unit 2 in Direction of the setting unit 15 decreases.
- a device arranged on the holding unit 2, shown for example in FIGS. 1 and 2 shown cutting tool is arranged on a second maximum dimension of 200 cm, which is matched to the second length measuring scale 22 and indicated by a dashed line, which deviates from the first maximum dimension of 125 cm, of panels to be cut.
- the second maximum dimension of 200 cm represents a theoretical or imaginary end the second length measuring scale 22, which in FIG. 4 is exactly in the middle below that in the FIGS. 1 and 2 shown recess 7 of the guide unit 6 of the holding unit 2 lies.
- the setting unit 15, as shown in FIG. 4 is arranged on the profile 11 and temporarily on the profile in this relative position 11 fixed.
- the device 1 can then be placed on the plate so that the guide surface 16 of the adjusting unit 15 rests on an edge of the plate. Thereafter, the device 1 is pushed over the plate while the guide surface 16 of the adjusting unit 15 is continuously in contact with the edge of the plate and while the cutting tool has been brought into contact with the plate.
- a user of the device 1 does not have to do any calculations, but rather he can set the desired size of the plate directly on the device 1.
- FIG. 5 shows a schematic bottom view of the device 1 shown in FIG. 3 and the third length measuring scale 24 arranged to the second length measuring scale shown in FIG.
- the third length measuring scale 24 is arranged on the profile 11 in such a way that an amount of main scale numbers (here: 10, 20, 30, 40, 50, 60, 70), each given in cm, of the third length measuring scale 24 starting from the holding unit 2 increases in the direction of the setting unit 15.
- a device arranged on the holding unit 2, shown for example in FIGS. 1 or 2 is arranged at a zero point of the third length measuring scale 24 which is coordinated with the third length measuring scale 24 and indicated by a dashed line.
- the zero point forms a theoretical or imaginary end of the third length measuring scale 24, which in FIG. 5 is arranged exactly in the middle of the recess 7 of the guide unit 6 of the holding unit 2.
- the setting unit 15 is arranged on the profile 11, as shown in FIG. 5, and temporarily on the profile 11 in this relative position fixed.
- the device 1 can then be placed on the plate so that the guide surface 16 of the adjusting unit 15 is at one edge of the plate applied. Thereafter, the device 1 is pushed over the plate while the guide surface 16 of the adjusting unit 15 is continuously in contact with the edge of the plate and while the cutting tool has been brought into contact with the plate.
- a user of the device 1 does not have to do any calculations, but can set the desired size of the plate directly on the device 1.
- Fig. 6 shows a schematic representation of the setting unit 15 of the device shown in Fig. 1.
- the adjustment unit 15 has the sleeve 17, on which the two guide flanges 25 are arranged laterally, which form the guide surface 16 of the adjustment unit 15.
- the two guide flanges 25 are dimensioned so large that they extend over the underside shown in FIG. 1 to 5 protrude from the profile shown, so that the protruding sections of the guide flanges 25 can be placed on the edge of a panel to be cut when the profile rests with its underside on the panel, i.e. on a large side of the panel.
- Fig. 6 shows a schematic representation of the setting unit 15 of the device shown in Fig. 1.
- the adjustment unit 15 has the sleeve 17, on which the two guide flanges 25 are arranged laterally, which form the guide surface 16 of the adjustment unit 15.
- the two guide flanges 25 are dimensioned so large that they extend over the underside shown in FIG. 1 to 5
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Sawing (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
L'invention concerne un dispositif (1) pour la découpe de plaques, qui comprend au moins une unité de maintien (2) permettant de maintenir un outil de coupe (3, 28) destiné au traçage et/ou à la découpe des plaques. L'objectif de l'invention est de simplifier la découpe des plaques. À cet effet, le dispositif (1) comprend au moins un profilé droit (11), au moins une unité de réglage (15) pouvant être fixée temporairement sur le profilé (11) dans différentes positions par rapport au profilé (11) et au moins une première échelle de mesure de longueurs (20) disposée sur le profilé (11) et s'étendant sur une longueur du profilé (11), l'unité de maintien (2) étant fixée à une partie d'extrémité du profilé (11) et la première échelle de mesure de longueurs (20) étant disposée sur le profilé (11) de sorte qu'une grandeur de nombres principaux de la première échelle de mesure de longueurs (20) diminue en allant de l'unité de maintien (2) vers l'unité de réglage (15), et un outil de coupe (3, 28), disposé sur l'unité de maintien (2), est disposé à une première dimension maximale des plaques à découper, qui est réglée sur la première échelle de mesure de longueurs (20).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102022117373.9 | 2022-07-12 | ||
DE102022117373.9A DE102022117373A1 (de) | 2022-07-12 | 2022-07-12 | Vorrichtung zum Zuschneiden von Platten |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2024012908A1 true WO2024012908A1 (fr) | 2024-01-18 |
Family
ID=87378062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2023/068161 WO2024012908A1 (fr) | 2022-07-12 | 2023-07-03 | Dispositif pour la découpe de plaques |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102022117373A1 (fr) |
WO (1) | WO2024012908A1 (fr) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2603873A (en) * | 1949-08-11 | 1952-07-22 | Shaw Albert Lemuel | Glass cutting gauge |
US3286351A (en) * | 1965-02-08 | 1966-11-22 | Mcalister Roy | Sheet material scriber |
DE3702239A1 (de) | 1987-01-27 | 1988-08-04 | Peter Weigold | Vorrichtung zum schneiden von plattenfoermigen bauteilen, insbesondere fliesen |
DE8914776U1 (fr) | 1989-12-15 | 1990-03-29 | Neumueller, Hans, 8192 Geretsried, De | |
NL9400616A (nl) * | 1994-04-18 | 1995-12-01 | Full Time | Parallelsnijder. |
US5979063A (en) * | 1998-03-20 | 1999-11-09 | Pritz; William A. | Sheet rock cutting tool |
CN211467014U (zh) | 2019-12-17 | 2020-09-11 | 张朝阳 | 下拉式瓷砖切割刀 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4916820A (en) | 1988-08-12 | 1990-04-17 | The Fletcher-Terry Company | Circle and strip cutting system |
FI2266U1 (fi) | 1995-11-27 | 1996-01-18 | Raine Sakari Nieminen | Leikkaustyökalu kipsilevylle |
DE29815587U1 (de) | 1998-08-31 | 1999-01-28 | Buettner Ingo | Gipskartonschneider |
US7178246B2 (en) | 2005-01-24 | 2007-02-20 | Mccallum Gary | Wallboard cutting tool |
-
2022
- 2022-07-12 DE DE102022117373.9A patent/DE102022117373A1/de active Pending
-
2023
- 2023-07-03 WO PCT/EP2023/068161 patent/WO2024012908A1/fr unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2603873A (en) * | 1949-08-11 | 1952-07-22 | Shaw Albert Lemuel | Glass cutting gauge |
US3286351A (en) * | 1965-02-08 | 1966-11-22 | Mcalister Roy | Sheet material scriber |
DE3702239A1 (de) | 1987-01-27 | 1988-08-04 | Peter Weigold | Vorrichtung zum schneiden von plattenfoermigen bauteilen, insbesondere fliesen |
DE8914776U1 (fr) | 1989-12-15 | 1990-03-29 | Neumueller, Hans, 8192 Geretsried, De | |
NL9400616A (nl) * | 1994-04-18 | 1995-12-01 | Full Time | Parallelsnijder. |
US5979063A (en) * | 1998-03-20 | 1999-11-09 | Pritz; William A. | Sheet rock cutting tool |
CN211467014U (zh) | 2019-12-17 | 2020-09-11 | 张朝阳 | 下拉式瓷砖切割刀 |
Also Published As
Publication number | Publication date |
---|---|
DE102022117373A1 (de) | 2024-01-18 |
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