Abstract: A bar clamp for single hand operation; includes a housing, a fixed jaw and a movable jaw mounted on one end of a slide bar for movement in a direction toward the fixed jaw. A spring-loaded driving key is secured on the slide bar and through operation of a trigger handle engages the slide bar for advancing the movable jaw toward the fixed jaw. A locking key is biased against the slide bar and normally engaged with the slide bar to prevent motion of the second jaw away from the first jaw and actuatable to disengage from the slide bar to allow advancement of the second jaw away from the first jaw. The trigger handle has one end pivotably mounted within the housing and formed with two lateral mounting plates of arched outer configuration. The housing is comprised of a first housing portion and a second housing portion, with at least the driving key and the locking key being accommodated within the housing.

Abstract: A device for a simultaneous soldering of at least two connecting elements (52) of an electronic structural element (54) on a circuit plate bar (50) comprises a workpiece support (44) and a laser (10) for producing the soldering energy, and has arranged two soldering beams (20) of at least approximately equal intensity, having in their path, at any time, an optic (30) for focusing the soldering beams (20) on the soldering spots. The resonator of the laser (10) is closed on both of its londitudinal sides by a semi-reflecting mirror (12) for production of a relative movement between the soldering beams (20) and the workpiece support (44), there is, at any time, a deflecting device provided, having two by a control device (48) independently adjustable mirrors (38, 40) for an operative deflection of the respective soldering beam (20).

Abstract: A device for regulating the flow of moldable material from a mold which has two mold parts which are separable along a parting plane or surface with a vent passage defined along the plane which extends from the interior of the mold to atmosphere or to a venting apparatus such as a venting pump. One of the mold parts is provided with a recess adjacent the mold separating plane which includes a block having a vent continuation passage which communicates with the vent passage. The vent continuation passage includes a first elongated vent continuation passage portion which communicates with the lower end of a piston bore for a regulating piston which is displaceable in the bore against biasing means by an outflow of the moldable material.