EP2907631B1 - Anschlag mit Doppelfunktion für eine Vorrichtung zum Schneiden vom Platten - Google Patents

Anschlag mit Doppelfunktion für eine Vorrichtung zum Schneiden vom Platten Download PDF

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Publication number
EP2907631B1
EP2907631B1 EP15000042.0A EP15000042A EP2907631B1 EP 2907631 B1 EP2907631 B1 EP 2907631B1 EP 15000042 A EP15000042 A EP 15000042A EP 2907631 B1 EP2907631 B1 EP 2907631B1
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EP
European Patent Office
Prior art keywords
lip
slot
stop
support
cutting
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Active
Application number
EP15000042.0A
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English (en)
French (fr)
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EP2907631A1 (de
Inventor
Lionel Marcon
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Pierre Grehal et Cie SA
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Pierre Grehal et Cie SA
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Publication of EP2907631A1 publication Critical patent/EP2907631A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/30—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
    • B26D7/016—Back gauges

Definitions

  • the invention relates to a dual function stop for a plate cutting tool, in particular a plate made of a reconstituted material, as well as to a cutting tool comprising such a double-function stop and a cutting and edging method. a plate using a tool provided with such a stop.
  • plaster, cement or ceramic tiles are used as building or finishing elements, fiber cement cladding boards, medium density cellulose fiber boards as cladding boards or finishing and laminated sheets as elements of a floating floor. Due to the nature of the mixture of components from which the plates are made or because of the use for which the plates are made, they have two characteristics in common: the hardness of the plate, or at least its face of use, and its thickness.
  • Such a tool is for example described in the documents WO2006095065 and EP2083972 . It is a cutting tool for cutting a plate made of a reconstituted material, the tool comprising a support on which a blade is pivotally mounted by a pivot, between an open position to receive, between the support and the blade , the plate to be cut, and a closed position at the end of a cut.
  • the blade has a flat, curved edge and is provided with a handle.
  • the hardness of the plates to cut is generally important, a lever arm is generally provided between the handle and the blade to allow to apply a greater force.
  • the carrier includes a slot for receiving at least a portion of the blade during cutting.
  • the blade performs, in cooperation with the edges of the slot, a double shear: the flat sharp edge of the blade slides along the longitudinal edges of the blade, like two scissors.
  • This double shear has the effect that the blade does not penetrate, during cutting, in the usual manner in the cutting plate to split it, but removes a strip of the material of the plate, band whose width corresponds substantially to that of the blade.
  • the tool described in the aforementioned documents comprises a support having a large contact surface with the plate to be cut.
  • This surface having the slot for receiving the blade, it is necessary to provide a relatively wide support.
  • This support is then generally made of an inverted U-shaped sheet (folded or welded), to present two wings and a core.
  • the slot is cut into the soul of the inverted U.
  • the width of the core must be large enough so that the plate does not tilt during cutting.
  • This price is also increased by the use of cutting accessories, such as a support consisting of a trestle to be arranged or the plate before cutting, and / or an angularly adjustable stop to allow transverse cuts of the plates according to selected angles.
  • cutting accessories such as a support consisting of a trestle to be arranged or the plate before cutting, and / or an angularly adjustable stop to allow transverse cuts of the plates according to selected angles.
  • the documents WO2006095065 and EP2083972 propose to provide on the support a fixed stop at the end of the slot opposite to the pivot axis of the blade.
  • This stop has a straight edge intended to be in contact with the cutting plate.
  • the stop is either provided with cooperation means with angular cutting accessories, or pivotally mounted.
  • the stop can slide in the slot to reduce the distance between the stop and the pivot of the blade. Once the distance is set, the stop is screwed into position.
  • the objective of the present invention is to provide a plate cutting tool in a reconstituted material economic, efficient, easily transportable, limiting the cutting dust that can hinder a quality and versatile installation.
  • the cut must be precise, at least on one of the faces (the cut according to the thickness of the plate may be less accurate when this thickness is not visible on the final assembly).
  • the cut must be sharp on at least one of the faces, and the cutting angle must be constant.
  • the tool must allow the cutting of rectangular plates both in the transverse direction (depending on the width of the plate), but also in the longitudinal direction (depending on the length of the plate).
  • a cut in the transverse direction will be called a section (this section may be parallel to the width of the plate or angular with respect to the width of the plate).
  • a cut in the longitudinal direction will be called a delineation.
  • the invention provides an economic stop, allowing the cutting and edging of plates, while allowing to design a tool of reduced dimensions compared to the usual practice.
  • this stop although removable between the cutting position and the edging position, remains constantly on the tool, so there is no risk of losing it during edging.
  • the figure 1 illustrates a cutting tool 100 of a plate made of reconstituted material, the tool comprising a support 10 and a blade 20 pivotally mounted on the support by a pivot 21, between an open position to receive, between the support 10 and the blade 20, the plate to be cut, and a closed position at the end of a cut,
  • the support 10 comprises a leg portion 1 and a support portion 2 on which the blade 20 is fixed.
  • the support portion 2 has a slot 3 intended to receive at least a portion of the blade 20 during cutting.
  • the slot 3 is visible on the figures 3 , 8 and 11 . It comprises a proximal end 3a close to the pivot 21 and a distal end 3b, remote from the pivot,
  • the portion of the support 2 comprising the slot 3 may be constituted by an inverted U-folded sheet in the core of which the slot has been cut.
  • the portion of the support 2 comprising the slot 3 may also be constituted by two sheets folded in inverted L, parallel to each other.
  • the slot is bordered by a wide flange (greater than the thickness of the sheets used) to allow transverse support (that is to say, perpendicular to the cutting direction, it is that is, with respect to the slot 3) of the cutting plate during cutting.
  • the portion of the support 2 comprising the slot 3 is constituted by two flat sheets, parallel to each other.
  • the slot 3 is bordered by a narrow rim formed by the wafer (the thickness) of each sheet 3c-3d.
  • the tool comprises a notch 13 opening into the slot 3 in the vicinity of the distal end 3b.
  • This notch 13 is intended to receive a stop 200 according to the invention, as illustrated, in particular, in the figure 2 .
  • the abutment according to the invention makes it possible not only to wedge the plate in the cross-sectional position but also to support the plate during a cross-section or deliming.
  • the stop 200 comprises a central wall 201 intended to be inserted into force in the notch 13, in the direction of the arrow F1 (see figure 3 ).
  • This central wall 201 is provided, on a first plane face 202, called “contact”, with a lip 203, called “support”, extending in a first plane P1 perpendicular to the contact face 202 and positioned flush with the slot 3 in the cut position (see figure 8 ).
  • a lip 205 On a second plane face 204 of the central wall 201, opposite to the contact face 202, is arranged a lip 205, called "edging", extending perpendicularly to the second plane face 204 in a second plane P2 parallel and offset relative to the first plane P1 of the support lip 203.
  • the offset between the two planes P1 and P2 is chosen so that the deliming lip 205 is flush with the slot 3 in the edger utilization position (see figure 11 ).
  • the support lip 203 supports the plate transversely to the cutting direction, whether the operation is a cross-section of the plate or a delineation of the plate. This avoids, when this plate is long, it breaks or tears during cutting.
  • the abutment 200 further comprises a lip 206, called a "holding" lip, arranged perpendicularly to the contact face 202 in a third parallel plane P3 and offset by a determined distance d relative to the first plane of the support lip 203.
  • the retaining lip 206 prevents the plate from bending V upwards when the blade crosses the plate transversely.
  • the distance between the holding lip and the support lip can be chosen so that, in the use position, a space just below, equal to or greater than the thickness of the plate to be cut is formed between the support lip (flush at the slot) and the retaining lip. If the distance d is just smaller than the thickness of the plate to be cut, the latter must be inserted in force between the retaining lip 206 and the support lip 203, which prevents the user from holding the plate during the cutting.
  • the figure 3 illustrates a stop 200 according to the invention being mounted on a tool according to the invention partially illustrated.
  • the support lip 203 and the edging lip 205 each comprise a recess, respectively 203a and 205a, just smaller width, equal to or greater than the width Ls of the portion 2 of the support bearing the slot 3.
  • the width of the indentations is of width just smaller than the width of the portion 2 of the carrier carrying the slot 3.
  • the retaining lip 206 has a notch 206a to allow the insertion of the stop into the notch 13 in the edging position (see Figures 11 to 13 ).
  • the notch 206a has a width just smaller than the width Ls of the support portion carrying the slot.
  • the holding lip is inserted in force on either side of said portion 2.
  • the stopper can be inserted into the notch 13, the notches 203a and 205a must be aligned perpendicular to the position of use.
  • the notch 206a must be aligned with the notches 203a and 205a of the support lips 203 and deliming 205.
  • the abutment further comprises, on the second plane face 204, a shim 210a, 210b, 210c.
  • This wedge is perpendicular to the second plane face 204 and perpendicular to the edging lip 205.
  • the shim is intended to be inserted into the slot 3 of the portion of the support in the use position.
  • this wedge has a thickness just greater than the width of the slot 3 so that it must be inserted forcefully in the slot.
  • the wedge 210a, 210b, 210c thus contributes to maintaining the stop in the position of use and prevents the stop from pivoting in the notch 13.
  • the shim 210a, 210b, 210c stiffens the abutment 200 according to the invention.
  • the tool comprises a support 10 on which a blade 20 is pivotally mounted by a pivot 21.
  • the support comprises a leg portion 1 and a portion 2 provided with a slot 3 for receiving at least a portion of the blade 20 during cutting.
  • the slot comprises at its distal end 3b, remote from the pivot 21, a notch 13 in which is inserted a stop according to the figure 7 .
  • the stop is positioned in the cutting use position by inserting the medial wall 201 in the notch 13, so that the contact face 202 and the support lip 203 are directed towards the slot 3 .
  • the deliming lip 205 is directed opposite the slot 3.
  • the deliming lip 205 is located below the support lip 203 and the latter is flush with the slot 3.
  • the plane P2 on which the edging lip 205 extends is located below the plane P1 on which the support lip 203 extends.
  • the plane P1 on which the support lip 203 extends is located below the plane P3 on which the holding lip 206 extends.
  • the figure 9 illustrates the tool in the open position and in which a plate A, illustrated in dotted lines, is brought into position along the arrow F2 between the blade 20 and the portion 2 of the support carrying the slot 3.
  • the plate A is then inserted between the retaining lip 206 and the support lip 203 on which it rests transversely. The plate A is thus placed against the contact face 202 of the abutment and on the support lip 203.
  • the blade 20 is pivoted about the pivot 21 to bring it in the closed position in the direction of the arrow F3.
  • the blade is then in the closed position as illustrated in FIG. figure 10 .
  • FIGS. 11 to 13 illustrate the use of the abutment according to the invention for the edging of a plate A.
  • the abutment 200 is positioned in the edging utilization position by inserting the medial wall 201 in the notch 13 so that the contact face 202 and the support lip 203 are directed. towards the slot 3.
  • the deliming lip 205 is, for its part, directed opposite the slot 3.
  • the edging lip 205 is located above the support lip 203 and is flush with the slot 3.
  • the plane P2 along which the edging lip extends is above the plane P1 along which the support lip 203 extends.
  • the plane P2 is in the extension of the slot 3.
  • This embodiment of the abutment comprising a retaining lip 206, the plane P3 along which the retaining lip 206 extends extends below the plane P1 along which the support lip 203 extends.
  • the deliming lip 205 flush with the slot 3, the plate A is positioned on the portion 2 of the support comprising the slot 3 in the direction of the arrow F4, resting on the edging lip 205 which supports the plate A transversely .
  • the blade 20 is pivoted about the pivot 21 to bring it in the closed position, in the direction of the arrow F5, as shown in FIG. figure 12 .
  • the dimensions of the tool are insufficient to allow edging of the plate A in a single operation.
  • the blade 20 is repositioned in the open position in the direction of the arrow F6 ( figure 13 ) and the plate A is pushed in the direction of the arrow F7 towards the pivot 21, always resting on the deliming lip 205.
  • the blade 20 is then pivoted about the pivot 21 to bring it into the closed position.
  • the present invention therefore makes it possible to provide a stop capable of ensuring both the cross-sectional function and the longitudinal edging of a plate.
  • the abutment according to the invention allows transverse support of the plate whether in cross section or edging. It is therefore possible to manufacture the support portion 2 comprising the slot 3 with two single unfolded metal plates, thereby having a low transverse support capacity of the plate.
  • the tool according to the invention is as efficient as a tool whose portion 2 has a width Ls sufficiently large to support the plate transversely.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (9)

  1. Anschlag (200) für ein Schneidwerkzeug (100) zum Schneiden einer Platte (A), die aus einem rekonstituierten Material besteht, wobei das Werkzeug umfasst:
    - einen Träger (10),
    - eine Klinge (20), die auf dem Träger durch einen Schwenkzapfen (21) schwenkbar zwischen einer offenen Position, um, zwischen dem Träger (10) und der Klinge (20), die Platte aufzunehmen, welche zu schneiden ist, und einer geschlossenen Position am Ende eines Schneidens montiert ist,
    - einen Schlitz (3), der dazu bestimmt ist, mindestens einen Teil der Klinge während des Schneidens aufzunehmen, wobei der Schlitz von einem Abschnitt (2) des Trägers mit bestimmter Breite (Ls) getragen wird und ein proximales Ende (3a) nahe bei dem Schwenkzapfen und ein distales Ende (3b) entfernt von dem Schwenkzapfen umfasst,
    - eine Nut (13), die in den Schlitz (3) nahe bei dem distalen Ende (3b) mündet, wobei der Anschlag dadurch gekennzeichnet ist, dass dieser eine erste Verwendungsposition, die als "Schneiden" bezeichnet wird, und eine zweite Verwendungsposition, die als "Besäumen" bezeichnet wird, aufweist, wobei der Anschlag umfasst:
    - eine mittlere Wand (201), die dazu bestimmt ist, mit Kraft in die Nut (13) eingesetzt zu werden, und umfassend:
    - eine erste ebene Fläche (202), die als "Kontakt" bezeichnet wird, auf der eine Lippe (203) angeordnet ist, die als "Stütze" bezeichnet wird, die sich in einer ersten Ebene (P1) senkrecht zu der Kontaktfläche (202) erstreckt und die positioniert ist, um auf der Höhe des Schlitzes (3) in der Verwendungsposition des Schneidens hervorzutreten;
    - eine zweite ebene Fläche (204), die der Kontaktfläche (202) gegenüberliegt, auf der eine Lippe (205) angeordnet ist, die als "Besäumung" bezeichnet wird, die sich senkrecht zu der zweiten ebenen Fläche (204) in einer zweiten Ebene (P2) parallel und verschoben in Bezug auf die erste Ebene (P1) der Stützlippe (203) erstreckt, um auf der Höhe des Schlitzes (3) in der Verwendungsposition des Besäumens hervorzutreten.
  2. Anschlag nach Anspruch 1, ferner umfassend eine Lippe (206), die als "Haltelippe" bezeichnet wird, die senkrecht zu der Kontaktfläche (202) in einer dritten Ebene (P3) parallel und verschoben um eine bestimmte Distanz (d) in Bezug auf die erste Ebene (P1) der Stützlippe (203) angeordnet ist.
  3. Anschlag nach Anspruch 1, ferner umfassend auf der zweiten ebenen Fläche (204) einen Keil (210a, 210b, 210c) senkrecht zu der zweiten ebenen Fläche (204) und zu der Besäumungslippe (205), wobei der Keil dazu bestimmt ist, in die Nut (13) des Trägers in der Verwendungsposition eingesetzt zu werden.
  4. Anschlag nach Anspruch 1, wobei die Stützlippe (203) und die Besäumungslippe (205) jeweils eine Ausnehmung (203a, 205a) mit einer Breite umfassen, die knapp kleiner, gleich oder größer als die Breite (Ls) des Abschnitts (2) des Trägers ist, der den Schlitz trägt.
  5. Anschlag nach Anspruch 2, wobei die Haltelippe (206) eine Ausnehmung (206a) mit einer Breite aufweist, die knapp kleiner, gleich oder größer als die Breite des Abschnitts des Trägers ist, der den Schlitz trägt, wobei die Ausnehmung der Haltelippe mit der Ausnehmung der Stützlippe und der Ausnehmung der Besäumungslippe ausgerichtet ist.
  6. Anschlag nach einem der Ansprüche 2 bis 5, wobei die Haltelippe und die Stützlippe voneinander um eine Distanz beabstandet sind, welche knapp kleiner, gleich oder größer als die Dicke der Platte ist, die zu schneiden ist.
  7. Schneidwerkzeug zum Schneiden einer Platte, die aus einem rekonstituierten Material besteht, wobei das Werkzeug umfasst: einen Träger (10), auf dem eine Klinge (20) durch einen Schwenkzapfen (21) schwenkbar zwischen einer offenen Position, um, zwischen dem Träger (10) und der Klinge (20), die Platte aufzunehmen, die zu schneiden ist, und einer geschlossenen Position am Ende eines Schneidens montiert ist, wobei der Träger (10) einen mit einem Schlitz (3) versehenen Abschnitt (2) umfasst, der dazu bestimmt ist, mindestens einen Teil der Klinge (20) während des Schneidens aufzunehmen, wobei der Schlitz ein proximales Ende (3a) nahe bei dem Schwenkzapfen und ein distales Ende (3b) entfernt von dem Schwenkzapfen umfasst, dadurch gekennzeichnet, dass der Abschnitt (2) des mit dem Schlitz versehenen Trägers umfasst:
    - eine Nut (13), die in den Schlitz nahe bei dem distalen Ende mündet, und
    - einen Anschlag (200) nach einem der Ansprüche 1 bis 6, der abnehmbar in dem Schlitz montiert ist.
  8. Verfahren zum Schneiden einer Platte, die aus einem rekonstituierten Material besteht, mit einem Werkzeug nach Anspruch 7, dadurch gekennzeichnet, dass dieses die folgenden Schritte umfasst:
    a) Bereitstellen eines Werkzeugs nach Anspruch 7;
    b) Bringen der Klinge in die offene Position;
    c) Positionieren des Anschlags in die Verwendungsposition, die als "Schneiden" bezeichnet wird, indem die mittlere Wand des Anschlags in die Nut derart eingesetzt wird, dass die Kontaktfläche des Anschlags und die Stützlippe zu dem Schlitz gerichtet sind, dass die Besäumungslippe unter der Stützlippe angeordnet ist, und dass die Stützlippe auf der Höhe des Schlitzes hervortritt;
    d) Platzieren der zu schneidenden Platte auf den Abschnitt des Trägers, der mit dem Schlitz versehen ist, und gegen die Kontaktfläche des Anschlags und auf die Stützlippe;
    e) Schwenken der Klinge um den Schwenkzapfen, um diese in die geschlossene Position zu führen, und Schneiden der Platte.
  9. Verfahren zum Besäumen einer Platte, die aus einem rekonstituierten Material besteht, mit einem Werkzeug nach Anspruch 7, dadurch gekennzeichnet, dass dieses die folgenden Schritte umfasst:
    α) Bereitstellen eines Werkzeugs nach Anspruch 7;
    β) Bringen der Klinge in die offene Position;
    γ) Positionieren des Anschlags in die Verwendungsposition, die als "Besäumen" bezeichnet wird, indem die mittlere Wand des Anschlags in die Nut derart eingesetzt wird, dass die Kontaktfläche des Anschlags und die Stützlippe zu dem Schlitz gerichtet sind, dass die Besäumungslippe über der Stützlippe angeordnet ist und auf der Höhe des Schlitzes hervortritt;
    δ) Platzieren der zu schneidenden Platte auf den Abschnitt des Trägers, der mit dem Schlitz versehen ist, und auf die Besäumungslippe;
    ε) Schwenken der Klinge um den Schwenkzapfen, um diese in die geschlossene Position zu führen;
    ζ) Wiederholen der Schritte β), δ) und ε), bis die Platte vollständig besäumt ist.
EP15000042.0A 2014-01-14 2015-01-12 Anschlag mit Doppelfunktion für eine Vorrichtung zum Schneiden vom Platten Active EP2907631B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1450279A FR3016313B1 (fr) 2014-01-14 2014-01-14 Butee a double fonction pour un outil de decoupe de plaque, outil de decoupe comportant une telle butee, procede de coupe et de delignage a l'aide d'un tel outil.

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EP2907631A1 EP2907631A1 (de) 2015-08-19
EP2907631B1 true EP2907631B1 (de) 2016-11-23

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Publication number Priority date Publication date Assignee Title
CN110435344B (zh) * 2019-06-24 2024-04-05 南京信息工程大学 专利邮封快拆装置
CN116852545B (zh) * 2023-08-21 2023-12-19 海江科技集团有限公司 一种应用于建筑物的拆除装置

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Publication number Priority date Publication date Assignee Title
FR2882955B1 (fr) * 2005-03-10 2008-10-17 Grehal Pierre Ets Cie Sa Outil de coupe pour decouper une plaque
PL2083972T3 (pl) * 2006-10-23 2013-08-30 Grehal Pierre Ets Cie Sa Ostrze do narzędzia tnącego do cięcia płyty i narzędzie zawierające takie ostrze
US8448553B2 (en) * 2008-03-07 2013-05-28 D-Cut Products, Inc. Cutting tool

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FR3016313A1 (fr) 2015-07-17
FR3016313B1 (fr) 2016-01-22

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