Adhesive process
AssigneeUSM Corporation
InventorGordon V. Sprague, Jr.
Life of this patent
Estimating the term…
Abstract
Process and apparatus for applying adhesive to a surface and for bonding and particularly for attaching a tread member to a shoe in which an adhesive applicator including a jet providing a gas stream having a rotational component is constructed to extrude viscous fluid adhesive to form a filament and to lay down the filament while still soft and adhesive as a band of overlapping loops directly on the attaching surface of an element to be adhered. The elements to be joined are pressed together with the adhesive between them and the adhesive is hardened.
Claims11
The process of bonding the attaching surfaces of two bodies in which adhesive is applied to the attaching surface of one of said bodies by a nozzle extruding viscous fluid adhesive as a filament from a point spaced from said one attaching surface comprising the steps of moving said one attaching surface in a path to receive the filament while the filament is still soft and adhesive, while applying a gaseous jet adjacent said point of extrusion to act on said filament to attenuate it and to impart a circular motion to said filament, said jet having one component of movement in the direction of said one attaching surface and a rotational component about an axis corresponding to the direction of said one component to form a band of overlapping loops of said filament directly on the attaching surface, assemblying the bodies with a band of adhesive between the attaching surfaces, applying pressure to bring said adhesive into wetting adhesive engagement with both surfaces and hardening said adhesive.
Dependencies are inferred from the claim text.