This invention is directed to improvements in paper incorporating an elongate impermeable element, to a method of making such paper and to documents made therefrom. The invention therefore comprises a method of making single ply paper having an elongate impermeable strip at least partially embedded therein, comprising the steps of blinding one or more selected areas of a porous support surface, depositing a first layer of paper fibres onto the porous support surface around the blinded areas, bri...

Cellulose fibers possess strong antibiotic properties (including antiviral properties) when they have a uniform content of a small amount of a 2-(C.sub.8 -C.sub.18 substantially straight chain) pseudourea. The fibers remain antimicrobial when in addition they contain a normally water-soluble thermosetting wet strength resin in thermoset state. Antibiotic bandages, diapers, bed sheets, boxes, surgeons' gowns, etc. can be prepared from paper composed of these fibers.

A paper trimmer for use in cutting a continuous strip of paper to a desired width as such a strip is conveyed along a path and occasionally moves tranversely to the path can be constructed utilizing a support extending transversely to the path, a carriage movably mounted on the support, guide means for engaging the strip and for conveying transverse motion of the strip to the carriage so as to move the carriage in accordance with such transverse motion and a cutter assembly mounted on the carria...

A paper clip bent from a length of wire and having U-shaped nested gripping members, with opposite legs of the gripping members being joined by a connecting member. The connecting member has an intermediate vertical offset to position the ends of the connecting member vertically spaced from, and on opposite sides of, the gripping members to permit substantial contact of the gripping members with the surfaces of paper sheaves over a wide range of thicknesses. In one form, the closed ends of the g...

A paper holder for tightly gripping name cards, chits, memorandum and other papers and material to be clipped. Materials to be clipped are held fast by the resilient restoring force of a helical tension spring so that it is possible to positively hold the materials fast without damaging them.

A shredding apparatus for paper and the like is defined by a pair of spaced, parallel counterrotating rolls provided with spaced-apart, cylindrical and overlapping shredding discs. The discs do not come into contact, for friction-free operation of the shredder and have sharp corners and a high friction surface finish for engaging inserted paper. The paper is stretched and thereby torn or shredded as it is engaged by the discs and passes between the rolls.

A paper trimmer for individually trimming opposite sides of a paper sheet a predetermined amount having means for inducing a curl in the sheet for the purpose of both aligning the sheet and initiating its movement toward a pair of cutters without the assistance of the operator.

A paper feeder comprises a paper-stacking mechanism having a paper-stacking plate on which the papers are to be stacked, and a width-limiting member for limiting the position of the papers stacked on said paper-stacking plate in the direction of width of the papers; a suction/feed mechanism disposed above the paper-stacking mechanism to feed by suction the uppermost paper stacked on the paper-stacking plate; and an air-blowing mechanism disposed on the front side of the paper-stacking means in t...

The invention consists of a paper cutter having an endless belt to which is attached a cutting blade.

A pickup roller is movable in a vertical direction and pulls out papers to the paper feed rollers, is provided. The pickup roller moves down towards the papers stacked on the paper tray. A front edge alignment member that aligns the front edge of the papers and a stopper that controls rotation of the front edge alignment member engages the front edge alignment member. A stopper release member pivots the stopper to release it from the front edge alignment member in synchronization to the up and d...