This digest includes each month the more important patents of interest to those who are concerned with packaging materials. Copies of patents are available from the U. S. Patent Office, Washington, at 25 cents each in currency, money order or certified check; postage stamps not accepted. Edited by H. A. Levey.

Art of Packaging Commodities in Expansible Wrappers, Paul B. Hultkrans et al (to Milprint, Inc., Milwaukee, a corporation of Delaware). U.S. 2,836,-941, June 3. The method of packaging a commodity, which comprises initially printing indicia on a selected local area of a wrapper sheet of thermoplastic material, thereafter subjecting only the major unprinted area of the wrapper sheet to sufficient heat to render the heated area expansible.

Box-Shifting Apparatus, Earl Davis (to Purex Corp., Ltd., South Gate, Calif., a corporation of California). U.S. 2,836,-943, June 3. Box-handling apparatus comprising means forming a surface for supporting a box, means for endless movement adjacent said box location and operable to engage the box.

Carton-Handling Machine, Arthur C. Schroeder (to Schroeder Machines Corp., Syracuse, N.Y., a corporation of New York). U.S. 2,836,946, June 3. A carton-handling machine comprising: an elongated frame member, a magazine, a carton-packing station, a carton support, a carton-advancing member and an actuating mechanism, cooperating to expand cartons and fold flaps into horizontal closed positions.

Cap-Feeding and Applying Mechanism, Carl L. Day et al (to Crown Cork & Seal Co., Baltimore, a corporation of New York). U.S. 2,836,947, June 3. In a cap-applying mechanism, a cap chute, a supporting bracket, a cap-applying element and means to secure the guide members in adjusted position.

Device for Applying Covers of Flexible Material to Paper Cups and Like Receptacles, Charles C. Austin (to Sutherland Paper Co., Kalamazoo, a corporation of Michigan). U.S. 2,836,948, June 3. A device for applying a disk-like cover to a receptacle having an upwardly facing internal annular shoulder-like cover seat spaced from its upper edge.

Scoring Apparatus, Edwin E. Burroughs (to St. Regis Paper Co., New York, a corporation of New York). U.S. 2,837,-012, June 3. In apparatus of the class

described, conveyor means for conveying a succession of bag tubes along a common path and in a selected frequency with respect to a scoring station, and means for scoring each tube.

Machine for Assembling Folding-Box Shells and Inserting Liners into the Shells, Edward J. Pagendarm (to Bal-jak Corp., Wilmington, Del., a corporation of Delaware). U.S. 2,837,013, June 3. A folding-box machine comprising, in combination: first and second die, first and second plungers, first and second conveyors and means operable in timed

relationship for arresting boxes on said second conveyor in a position in line with second-plunger stroke path.

Device for Folding and Inserting Liners into Folding-Box Shells, Thomas Francis Burke (to Baljak Corp., Wilmington, Del., a corporation of Delaware) . U.S. 2,837,014, June 3. A machine for forming liner blanks into box-like form and inserting such formed liners into the bodies of folding boxes.

Sheet-Feeding and Counting Assembly, Victor Jezierski (to Federal Carton Corp., North Bergen, N.J., a corporation of New York). U.S. 2,837,016, June 3. In a mechanism of the type disclosed, the combination with a sheet-delivering and stacking machine, of automatic means to feed a count signal onto the stack at predetermined intervals.

Apparatus and Method for Filling Containers with Liquid, Paul E. Luther, Oakland, Calif. U.S. 2,837,127, June 3. A method of filling containers with liquid which comprises moving a series of containers along a single horizontal plane with their open ends uppermost; moving a plurality of liquid filler valves, each having a sealing head; sequentially lowering said valves to engage the cans; intermittently jarring the liquid in said containers to remove and expunge air pockets, and then raising and closing said valves.

Dropper Assembly, Paul A. Marchant (to Injection Molding Co., Kansas City, a corporation of Missouri). U.S. 2,837,-128, June 3. A cap-dropper assembly comprising a pipette having a lower discharge end and an upper engaging end, a flange engaging means and a cap.

Aerosol Valve, Philip Meshberg, Fair-field, Conn. U.S. 2,837,249, June 3. In a valve means for controlling the discharge of a measured amount of fluid under pressure from a container having a tubular measuring chamber, a combined resilient sealing gasket and first valve disk, second valve disk, a valve stem, and a sealing portion.

Pouring Spout for Standard Blanks, Saul Goldstein, San Francisco. U.S. 2,837,254, June 3. In a carton having a rectangular spout opening in one wall thereof with a spout-holding tab, a single blank pouring spout comprising a generally rectangular bottom wall and opposite triangular side walls relatively thicker than the space between the side edges of the said spout-holding tab and the side edges defining the opening.

Pull Tape for Removing Container Covers, Roy Nasello, Brooklyn. U.S. 2,837,263, June 3. A container for potables and other substances, comprising:

a cylindrical hollow two-ply body with an upper open end and a closed lower end, an upper edge, a cap having a downwardly extending peripheral flange and a flexible tape having one end secured to the body adjacent said edge.

Two-Piece Carton With Neck, Arthur Rous (to Federal Carton Corp., North Bergen, N.J., a corporation of New York). U.S. 2,837,264, June 3. A two-piece carton adapted to be formed into a package having a constricted section.

Bag, Adolph Potdevin et al (to Potdevin Machine Co., Teterboro, N.J., a corporation of New York). U.S. 2,837,267, June 3. A bag composed of a single piece of material, said bag comprising a front wall and a rear wall, a gusset and a foldable closure lip at the bottom.

Bag, Adolph Potdevin et al (to Potdevin Machine Co.). U.S. 2,837,268, June 3. A bag blank comprising:    two integral

panels; a relatively narrow, seam-forming flap along the outer edge of and integral with one panel; an integral flap projecting from the same end of and extending entirely across the other panel; a relatively narrow flap integral with the second-mentioned panel, and a flap integral with the first-mentioned panel and projecting beyond the same.

Package-Knocker Mechanism for Automatic Packaging Machines, Robert T. Hull (to Package Machinery Co., East Longmeadow, Mass., a corporation of Massachusetts). U.S. 2,837,882, June 10. In a packaging machine having a tube former through which material may be fed to a flexible tube formed thereby, clamp means to form a receptacle at the end of the tube and reciprocable means for actuating said clamp means.

Automatic Packaging Machine, Fred J. Bracey (to Package Machinery Co., East Longmeadow, Mass., a corporation of Massachusetts). U.S. 2,837,883, June 10. In a tubular-package-forming machine, means for closing the clamp on the tube, means to then move said clamp to feed the tube, selectively adjustable means to effect withdrawal of a slidable sealing member, means to subsequently complete a full inward stroke of movement of said slidable member and means to open said clamp-closing means.

Container-Feeding Device, John W. Rouse (to American Can Co., New York, a corporation of New Jersey). U.S. 2,838,160, June 10. In a can-runway system, the combination of an inlet runway, a pair of outlet runways, a divider housing, magnetic means for directing cans along a path and means to energize

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