The invention relates to machines and methods for the separative machining of a plate-shaped workpieces. The machine includes a first movement device for moving the workpiece in a first direction (X), a second movement device for moving a machining head, which directs the machining beam onto the workpiece, along a second direction (Y), Between workpiece bearing faces there is formed a gap for the passage of the machining beam. In the machine, mutually facing side edges of at least two of the workpiece bearing faces are oriented non-perpendicularly and non-parallel with respect to the first direction (X).

The invention relates to machines and methods for the separative machining of a plate-shaped workpieces. The machine includes a first movement device for moving the workpiece in a first direction (X), a second movement device for moving a machining head, which directs the machining beam onto the workpiece, along a second direction (Y), Between workpiece bearing faces there is formed a gap for the passage of the machining beam. In the machine, mutually facing side edges of at least two of the workpiece bearing faces are oriented non-perpendicularly and non-parallel with respect to the first direction (X).

A razor blade head for shaving, comprising a razor blade element, a bracket mounted to the razor blade element and a manual control element configured to enable a user to apply force from a side of the bracket opposite to the razor blade element, the force transferred from the manual control element to the razor blade element via the bracket, wherein the bracket is configured to define an opening between the manual control element and the razor blade element.

A razor blade head for shaving, comprising a razor blade element, a bracket mounted to the razor blade element and a manual control element configured to enable a user to apply force from a side of the bracket opposite to the razor blade element, the force transferred from the manual control element to the razor blade element via the bracket, wherein the bracket is configured to define an opening between the manual control element and the razor blade element.

A method of laser processing of a metallic material is described by means of a focused laser beam having a predetermined transverse power distribution on at least one working plane of the material, comprising the steps of: providing a laser beam emitting source; leading the laser beam along a beam transport optical path to a working head arranged in proximity to the material; collimating the laser beam along an optical axis of propagation incident on the material; focusing the collimated laser beam in an area of a working plane of the material; and conducting the focused laser beam along a working path on the metallic material comprising a succession of working areas, wherein the laser beam is shaped: by reflecting the collimated beam by means of a deformable controlled surface reflecting element having a plurality of independently movable reflection areas, and by controlling the arrangement of the reflection areas to establish a predetermined transverse power distribution of the beam on at least one working plane of the metallic material as a function of the area of the current working plane and/or of the current direction of the working path on the metallic material.

A mask-integrated surface protective tape, containing: a substrate film; a temporary-adhesive layer provided on the substrate film; and a mask material layer provided on the temporary-adhesive layer; wherein the mask material layer and the temporary-adhesive layer each contain a (meth)acrylic copolymer; and wherein the mask-integrated surface protective tape is used for a method of producing a semiconductor chip utilizing a plasma-dicing.

A mask-integrated surface protective tape, containing: a substrate film; a temporary-adhesive layer provided on the substrate film; and a mask material layer provided on the temporary-adhesive layer; wherein the mask material layer and the temporary-adhesive layer each contain a (meth)acrylic copolymer; and wherein the mask-integrated surface protective tape is used for a method of producing a semiconductor chip utilizing a plasma-dicing.

Proposed is an adhesive retainer including a body part which is formed of a shape memory alloy material and has a front surface in close contact with and attached to each tooth, wherein the body part includes a curved protrusion part which is formed to protrude toward an interdental space so as to be inserted into the interdental space, and multiple support parts having front surfaces which are in close contact with tooth surfaces of teeth outside the interdental space. A manufacturing method of the adhesive retainer includes a step of acquiring three-dimensional scanning data about a tooth arrangement, a data processing step of generating a first processing line and a second processing line, a laser cutting step of laser cutting a flat plate-shaped base material based on processing line data to form a body-part forming part, and a shape processing step of cutting the body-part forming part.

Proposed is an adhesive retainer including a body part which is formed of a shape memory alloy material and has a front surface in close contact with and attached to each tooth, wherein the body part includes a curved protrusion part which is formed to protrude toward an interdental space so as to be inserted into the interdental space, and multiple support parts having front surfaces which are in close contact with tooth surfaces of teeth outside the interdental space. A manufacturing method of the adhesive retainer includes a step of acquiring three-dimensional scanning data about a tooth arrangement, a data processing step of generating a first processing line and a second processing line, a laser cutting step of laser cutting a flat plate-shaped base material based on processing line data to form a body-part forming part, and a shape processing step of cutting the body-part forming part.

The present invention relates to a method for butt welding at least two metal sheets, namely a first metal sheet and a second metal sheet, wherein, in particular, a tailored blank is produced from the metal sheets.