Abstract: A friction stir welding device for welding an article by means of a welding tool, includes: a tool holding section configured to hold the welding tool and rotate round a predetermined reference axial line; rotation driving unit configured to drive the tool holding section to rotate round the reference axial line; movement driving unit configured to drive the tool holding section to move along the reference axial line; and a car body loaded with the tool holding section, the rotation driving unit and the movement driving unit, the car body being configured to travel above or below the article.

Abstract: A friction stir welding device for welding an article by means of a welding tool, includes: a tool holding section configured to hold the welding tool and rotate round a predetermined reference axial line; rotation driving unit configured to drive the tool holding section to rotate round the reference axial line; movement driving unit configured to drive the tool holding section to move along the reference axial line; and a car body loaded with the tool holding section, the rotation driving unit and the movement driving unit, the car body being configured to travel above or below the article.

Abstract: In a door structure for a vehicle provided with a door main body (4) having an opening (2) provided in an inner panel (3), a module base (7) in which a window regulator (6) for vertically moving a window panel (5) is assembled and a fastening portion (9a) provided near an outer periphery so as to be capable of closing the opening (2) is fixed to the inner panel (3) by a fastening member (10), and a handle (8a) provided in a room inside, the handle (8a) being fixed to the module base (7), reinforcing beads (19, 19a, 19b) are provided in the module base (7) along a line connecting a mounting portion (12) to which the handle (8a) is fixed and the fastening portion (9a) provided in a vertical direction of the mounting portion (12).

Abstract: A cable guide structure for a window regulator is provided with rails aligned so as to be parallel with each other, moving elements for supporting a window panel, a cable connected to said moving elements. A diagonally cabling portion of the cable is linearly arranged. The directions of tangent lines of the pulleys at contact points of rail cabling portions with cable guide grooves coincide with axial directions of a cable in the rail cabling portions respectively. Further the directions of tangent lines of pulleys at contact points of the diagonally cabling portion with the cable guide grooves coincide with an axial direction of the cable in the diagonally cabling portion.

Abstract: In a door structure for a vehicle provided with a door main body (4) having an opening (2) provided in an inner panel (3), a module base (7) in which a window regulator (6) for vertically moving a window panel (5) is assembled and a fastening portion (9a) provided near an outer periphery so as to be capable of closing the opening (2) is fixed to the inner panel (3) by a fastening member (10), and a handle (8a) provided in a room inside, the handle (8a) being fixed to the module base (7), reinforcing beads (19, 19a, 19b) are provided in the module base (7) along a line connecting a mounting portion (12) to which the handle (8a) is fixed and the fastening portion (9a) provided in a vertical direction of the mounting portion (12).

Abstract: A cable guide structure for a window regulator is provided with rails aligned so as to be parallel with each other, moving elements for supporting a window panel, a cable connected to said moving elements. A diagonally cabling portion of the cable is linearly arranged. The directions of tangent lines of the pulleys at contact points of rail cabling portions with cable guide grooves coincide with axial directions of a cable in the rail cabling portions respectively. Further the directions of tangent lines of pulleys at contact points of the diagonally cabling portion with the cable guide grooves coincide with an axial direction of the cable in the diagonally cabling portion.

Abstract: A method of manufacturing a substrate of a GaAs compound semiconductor is disclosed, which is characterized in that, after a crystal of GaAs compound semiconductor obtained by the liquid encapsulated Czocharalski method is annealed in the form of ingot, gradually cooled to room temperature and cut off in the form of a wafer, a re-heating treatment consisting of heating to a temperature of not lower than 700.degree. C., rapid cooling from the temperature of not lower than 700.degree. C. to a temperature of not higher than 400.degree. C. within 30 minutes and successive cooling to room temperature is given to the wafer, and then mirror polishing is performed.