Pliers-type cutting tool

A pliers-type cutting tool (1) comprising two tool legs (2, 3) that are pivotable relative to one another about a rotational axis (x) in a pivot plane (E), wherein the tool legs (2, 3) form handle sections (5, 6) on one side of the rotational axis (x) and a pliers mouth (9) on the other side, wherein working faces of the pliers mouth (9) are designed in the form of opposite cutting edges (10, 11), which during a movement into a closed position of the cutting tool (1) arrive in a superimposed position in a closing region(S) for the first time in a first closed position radially outside of a remaining opening region, wherein the cutting edges (10, 11) have with respect to a central plane (M), which stands perpendicular to the pivot plane (E) and extends through the rotational axis (x) and the closing region(S), a free length (l) starting from the closing region(S) and proceeding in the direction of the rotational axis (x) on the central plane (M) in the first closed position, up to an intersecting point (P) of the opposite cutting edges, the free length (l) having an upper half toward the closing region(S) and a lower half toward the rotational axis (x), wherein both cutting edges (10, 11) have separated concave cutting regions (14, 15, 16, 17, 18) over the free length (l), wherein each cutting edge (10, 11) only has three to seven cutting regions (14, 15, 16, 17, 18) over the free length (l), wherein at least two of the cutting regions (14, 15, 16, 17, 18) of each cutting edge (10, 11) have a greatest depth (t, t′, t″, t′″ t″″) of 0.4 millimeters or more, and wherein, in a perpendicular projection of the pointedly ending webs (19, 20, 21, 22, 23) on the central plane (M), the resulting distances (a′, a″, a′″) between the webs (19, 20, 21, 22, 23) along the central plane (M) correspond to the individual cutting regions (14, 15, 16, 17, 18), wherein the distance (a′, a″, a′″) between two webs (19, 20, 21, 22, 23) of a cutting region (14, 15, 16, 17, 18) corresponds to 0.7-times to 1.3-times the distance (a′, a″, a′″) between two webs (19, 20, 21, 22, 23) of the adjacent cutting region (14, 15, 16, 17, 18),

• wherein the first, second and third cutting regions (14, 15, 16) are each disposed between two pointedly ending webs (19, 20, 21, 22), wherein the first, second and third cutting regions have different greatest depths (t, t′, t″, t′″, t″″) or different distances (a′, a″, a′″) between the pointedly ending webs (19, 20, 21, 22) between which each one of the cutting regions is disposed, wherein each of the greatest depths (t, t′, t″, t′″) of the first, second and third cutting regions are measured along an imaginary perpendicular line to an imaginary straight line (G, G′ G″), which closes the each cutting region and extends respectively between two of the pointedly ending webs (19, 20, 21, 22), and runs between the imaginary straight line (G, G′, G″) to a deepest point of the respective cutting region;
• wherein the greatest depth t″) of the third cutting region (16) is larger than the greatest depths (t, t′, t′″, t″″) of the other cutting regions, and wherein the third cutting region (16) is located in the lower half of the free length (l) and wherein each cutting edge has viewed in the direction of the opposite cutting edge (11, 10) a concave, crescent-shaped contour over approximately two-thirds to three-fourths of the overall length (g).

A pliers-type cutting tool (1) comprising two tool legs (2, 3) that are pivotable relative to one another about a rotational axis (x) along a pivot plane (E), wherein the tool legs (2, 3) form handle sections (5, 6) on one side of the rotational axis (x) and a pliers mouth (9) on the other side, wherein working faces of the pliers mouth (9) are designed in the form of opposite cutting edges (10, 11), which during a movement into a closed position of the cutting tool (1) arrive in a superimposed position in a closing region(S) for the first time in a first closed position radially outside of a remaining opening region viewed from the rotational axis (x), wherein multiple cutting regions (14, 15, 16, 17, 18), which are oppositely formed on the working faces, respectively each have a curvature contour and form the opening region, follow radially inward in the first closed position, wherein the cutting edges (10, 11) have with respect to a central plane (M), which stands perpendicular to the pivot plane (E) and extends through the rotational axis (x) and the closing region(S), a free length (l) starting from the closing region(S) and proceeding in the direction of the rotational axis (x) on the central plane (x) in the first closed position, up to an intersecting point (P) of the opposite cutting edges, the free length (l) having an upper half toward the closing region(S) and a lower half toward the rotational axis (x), and wherein a greatest opening width (b) respectively results for two opposite cutting regions viewed in a direction transverse to the central plane (M), wherein at least a second cutting region and a third cutting region (15, 16) follow a first cutting region (14), which follows the closing region in the direction of the rotational axis (x), wherein the greatest opening width of the second cutting region and the third cutting region (16) is respectively greater than the greatest opening width of each of the preceding cutting regions (14, 15), and wherein two remaining concave cutting regions (16, 17) are during further closing of the cutting tool (1) transferable into a position in which two openings (O) remain, which with respect to the central plane (M) are arranged adjacent to one another and separated from one another,

• wherein the first, second and third cutting regions (14, 15, 16) are each disposed between two pointedly ending webs (19, 20, 21, 22), wherein the first, second and third cutting regions have different greatest depths (t, t′, t″, t′″) or different distances (a′, a″, a′″) between the pointedly ending webs (19, 20, 21, 22) between which each one of the cutting regions is disposed, wherein each of the greatest depths (t, t′, t″, t′″) of the first, second and third cutting regions are measured along an imaginary perpendicular line to an imaginary straight line (G, G′ G″), which closes the each cutting region and extends respectively between two of the pointedly ending webs (19, 20, 21, 22), and runs between the imaginary straight line (G, G′, G″) to a deepest point of the respective cutting region;
• wherein the greatest depth t″) of the third cutting region (16) is larger than the greatest depths (t, t′, t′″, t″″) of the other cutting regions, and wherein the third cutting region (16) is located in the lower half of the free length (l) and wherein each cutting edge viewed in the direction of the opposite cutting edge (11, 10) has a concave, crescent-shaped contour over approximately two-thirds to three-fourths of the overall length (g).