Apparatus for applying web sections to a flat-lying workpiece
AssigneeWindmoller & Holscher
InventorFritz Achelpohl
Life of this patent
Estimating the term…
Abstract
Sections intermittently severed from a web and conveyed by spaced parallel suction belts of a conveyor are applied to successive workpieces by a transfer mechanism comprising parallel suction bars insertable between and beyond the suction belts.
Claims7
Apparatus for applying a section severed from a web withdrawn from a supply reel onto a base of a flat-lying workpiece, comprising intermittently driven rollers for feeding the web to clamping jaws, clamping jaws arranged at both sides of a web feed path, said jaws being displaceable towards and away from each other and respectively divided to define a gap which extends transversely to the feeding direction of the web, a knife guided in the gap for severing web sections, and conveyor means disposed downstream of the clamping jaws, as viewed in the direction of web feed, for bringing a severed section to a position in which transfer means receive the section, transfer means for placing a severed section on a base (35) of a flat-lying workpiece (34), the conveyor means comprising a suction belt conveyor means (11) with a plurality of spaced parallel suction belts (17 to 20), and the transfer means comprising a punch (39) carrying at is front suction bars (40 to 44) which are parallel to the suction belts (17 to 20), means for holding the base (35) spaced from the suction belt conveyor means (11) in a plane parallel to a conveying plane of the suction belt conveyor means (11), and the suction bars (40 to 44) being movable towards the base (35) at right-angles to the conveying plane of the suction belt conveyor means (11) in gaps between the suction belts (17 to 20) beyond the conveying plane and retracted behind same.
Dependencies are inferred from the claim text.