Abstract: A lightweight, man carrying aircraft including a skeletal fuselage assembly in combination with a primary arc-shaped lifting airfoil having variable camber, incidence angle, and pitching moment and a secondary stabilizing airfoil of a tubular, ring-like configuration. The arc-shaped primary airfoil is superior to traditional low speed airfoil forms due to its high aerodynamic efficiency, inherent design simplicity and strength. The ring-tail assembly, offering marginal aerodynamic lift, contributes significantly to the in-flight stability and safety of the aircraft. Both airfoil members are independently controllable and constructed of a fabric or like skin material which is fitted over a wing assembly and tensioned into an operable airfoil form by the aerodynamic forces of the air during flight. Typically, the wing assemblies are supported and maintained by a lightweight, tubular fuselage structure to which is affixed the propulsion system, control mechanisms and ground support assemblies.

Abstract: A collapsible carrier for bottled beverages which is formed from a blank of paperboard or similar material, cut and creased so that it may be folded and glued to establish, when set up, a bottom, upstanding side and end walls, and a handle and partition structure which includes a longitudinal center partition and three cross partitions on opposite sides thereof to divide the carrier into eight bottle receiving cells with the cross partitions providing two plies of blank material between points of bottle contact and with the center partition providing two plies of material between transverse pairs of bottles.

Abstract: A wind turbine having a generally vertically extending support tower upon which are mounted a front or blade section and a rear or tail section. The front section includes a generally horizontal drive shaft which is connected to a vertical drive shaft in the support tower. The rear or tail section is rotatably mounted on the support structure to permit radial oscillation of the tail section. The blade and tail section are releasably interconnected to each other such that upon manual operation of a latch, the rear or tail section can pivot independently from the front or blade section. The front section is upwardly inclined relative to the rear section whereby a universal joint is provided in the vertical drive shaft to insure that a portion of the vertical drive shaft remains perpendicular to the horizontal drive shaft connected to the front or blade section.

Abstract: A sleeve-type or tube container wherein an open end of the sleeve may be at least partially closed by closure portions formed from integral portions of the container sleeve or body, and including a strap hanger or flex extending across and forming the sleeve bottom. The strap hanger or flex is formed from the sleeve body and suspended to lie parallel to and extend downwardly along the inner surface of the sleeve side walls from which it is formed.

Abstract: A method of applying a continuous or discontinuous loop-like covering to a metal or metallized tape. The tape is guided to a first area along the periphery of a wheel and one-half of the covering is applied at the first area. The tape is guided to a second area along the periphery of the wheel in a direction opposite that in which the tape is guided through the first area along the wheel and the other one-half of the covering is applied at the second area.

Abstract: A package and a method of forming the same wherein an assembly of articles, in the form of bottles, arranged in double row relation, is enclosed in a tubular wrapper which is formed from a blank of paperboard, or the like, cut and scored to fold about the top, opposite sides, and bottom of the article assembly, with the bottom wall forming ends of the blank having narrow hinged marginal panels, one of which is adapted to be swung to an upwardly extending position between the rows of articles and form a separating partition while the other one has locking and latching tabs on its opposite side edges which are adapted to be engaged in interlocking relation in cooperating locking and latching apertures in portions of the associated bottom wall forming panel. Article separating tabs are cut in part from the top wall panel and are adapted to be swung to partition forming relation between the top portions of the articles in the rows.

Abstract: A knock-out method and apparatus for use in connection with the molding of articles, such as, for example, oil seals fabricated from elastomeric material bonded to a rigid casing, including a plurality of plunger members to apply successive sequential forces to selected sets of molded oil seals for removal thereof from frictional engagement within the molding machine and permit subsequent retrieval from the molding machine. The plurality of plunger members move upward into contact with oil seals retained in the molding center plate to apply sequential forces to the selected sets of the molded articles to position the seals for ready access on top of the plate.

Abstract: A box with a hinged lid is formed from a single sheet of cut and scored paperboard, the box being in the form of a tray having front, back and end walls and a lid which are reinforced by multiple plies of material so as to increase their rigidity, with a substantial thickness at the top edge of the front wall on which the lid is adapted to rest when closed, and with the walls and bottom being reinforced by inserts, and the hinge structure joining the back wall and the multi-ply lid being such that the lid tends to close but may be readily held in an open position so as to permit access to the body of the box which is filled with a product such as cigars or similar products.

Abstract: An apparatus having an article counter, a set-point register and a comparator, and at least one electrode for detecting solution pH, with a controlled system adapted to add pre-selected amounts of replenishing solution to the cleaning and treating baths controlled by the system when indicated by coincidence between the number in the pre-set counter and the number in the article counter, in response to system pH, whereby the solutions being replenished will retain predetermined characteristics throughout an extended operating life. A method which comprises sampling solution pH counting the articles being treated and replenishing treatments and cleaning solutions in response to article count and pH or other solution condition from time to time to maintain desired process characteristics.

Abstract: There is disclosed a carton for handling the preparation of a bakery product, Such as a sheet cake, which is characterized by a modified Simplex type tray formed with a cut and scored blank of paperboard, which may be furnished the user in flattened form for ready erection into a shallow depth tray structure suitable for preparation therein of a sheet cake including baking in a conventional oven, icing and/or decorating without removal from the tray, cutting for serving, with consistent portion control, obtainable by following guide means on the tray walls, and releasing and dropping the side and end walls to enable access to portions adjacent the walls for easy serving, the walls being refoldable to upstanding position for receiving a telescoping lid when all the product has not been removed for serving.

Abstract: A box with a hinged lid is formed from a single sheet of cut and scored paperboard, the box being in the form of a tray having front, back and end walls and a lid which are reinforced by multiple plies of material so as to increase their rigidity, with a substantial thickness at the top edge of the front wall on which the lid is adapted to rest when closed, and with certain of the walls being reinforced by inserts, and the hinge structure joining the back wall and the multi-ply lid being such that the lid tends to close but may be readily held in an open position so as to permit access to the body of the box which is filled with a product such as cigars or similar products.

Abstract: Composite building structures, such as foam core panels or the like. The panels comprise one or more foam core sections, preferably cores which include fire retardant additives. The exterior sheathing for the foam cores is a multiple laminate containing an inorganic filler material, such as glass fibers or ground carbonaceous or siliceous material; the filler is bound in place by a fire retardant, furan-based resin. The method includes forming a plurality of layers by depositing the resin and the filler alternately in a mold, thereafter placing boards or like core structures thereover and covering the exposed surfaces by multi-ply laminates of the fire retardant furan-based resin containing the glass fiber, carbonaceous or siliceous fillers. The method is also applicable to cover existing foam core installations used in building structures.

Abstract: A tray-type container is disclosed which is formed from paperboard having a coating of heat sealable and heat resistant film material and which, when fully set-up has a rectangular bottom wall with upstanding side walls which are connected at the corners by folded triangular web members and which have an outwardly directed flange formation at the top edges on which the margins of a lid member of the same material may be adhesively secured with provision for tearing out the major portion of the lid member so as to uncover the contents in the tray while leaving substantial marginal portions of the lid member intact and secured in reinforcing relation on the tray flange.

Abstract: An apparatus for removing matter accumulated on a filter element, rotatable about a central axis, having an arm portion mounted at an angle relative to the radii extending from the central axis of the filter element and in a stationary position relative thereto. The arm portion supports a flexible means for engaging a surface of the filter element as the element is rotated relative to it to frictionally remove the accumulated matter from the surface. The arm and flexible means are preferably curved outwardly toward the periphery of the filter element to facilitate outward removal of matter while maintaining the integrity of the surface of the filter element.