Abstract: Metallic articles, for instance, ferrous strips are metallized, for instance, zinc coated by passing the heated article through a coating chamber and applying thereto a continuous stream of the molten coating metal so as to uniformly and evenly metallize said article. Thereafter, excess molten coating metal is removed from the coated article by hot gas blasting and the hot gas blasted article leaving the coating chamber is immediately cooled. Wiping means may be provided before applying the molten coating metal so as to deflect any molten coating metal dropping from the metallic article passing therethrough, while rollers may be arranged between the coating metal applying means and the hot gas blasting means. Said rollers serve to remove the major part of excess coating metal from the coated metallic article and to stabilize movement of the metallic article passing through the coating chamber.

Abstract: A film identification method comprises the steps of providing an undeveloped photographic film with first exposure identification indicia positioned adjacent to the exposure zone of the film, and providing the film with second exposure identification indicia, corresponding to the first identification indicia, positioned within the exposure zone of the film. Additionally, a film roll identification indicia may be provided to identify the particular roll of film from which the exposures originated.

Abstract: Metallic articles, for instance, ferrous strips are metallized, for instance, zinc coated by passing the heated article through a coating chamber and applying thereto a continuous stream of the molten coating metal so as to uniformly and evenly metallize said article. Thereafter, excess molten coating metal is removed from the coated article by hot gas blasting and the hot gas blasted article leaving the coating chamber is immediately cooled. Wiping means may be provided before applying the molten coating metal so as to deflect any molten coating metal dropping from the metallic article passing therethrough, while rollers may be arranged between the coating metal applying means and the hot gas blasting means. Said rollers serve to remove the major part of excess coating metal from the coated metallic article and to stabilize movement of the metallic article passing through the coating chamber.

Abstract: Metallic articles, for instance, ferrous strips are metallized, for instance, zinc coated by passing the heated article through a coating chamber and applying thereto a continuous stream of the molten coating metal so as to uniformly and evenly metallize said article. Thereafter, excess molten coating metal is removed from the coated article by hot gas blasting and the hot gas blasted article leaving the coating chamber is immediately cooled. Wiping means may be provided before applying the molten coating metal so as to deflect any molten coating metal dropping from the metallic article passing therethrough, while rollers may be arranged between the coating metal applying means and the hot gas blasting means. Said rollers serve to remove the major part of excess coating metal from the coated metallic article and to stabilize movement of the metallic article passing through the coating chamber.

Abstract: Apparatus for winding a plurality of metal strips on a non-collapsible drum to form a plurality of coiled strips. In one form of the invention, the drum is formed with spaced slots in the periphery thereof in which are positioned rail members and interconnected wear members. Core members are positioned loosely around the periphery of said drum for receiving the individual slit strips, and expansible hoses are positioned in each slot radially inwardly of the rail. Fluid pressurization of the hoses functions to expand the same and force said rail and wear members radially outwardly into frictional contact with the core means thereby creating tension in said metal strips and consequent tight winding of the narrow strips on the core means. The pressure can be partially reduced to permit the tightly wound strip coils to slip on the drum surface and the loosely wound strips to continue rotation so as to remove the slack from the strips, thereby compensating for unequal thicknesses of the marginal and median strips.

Abstract: Self-supporting pipelines, especially useful for installations in arctic and antarctic regions and floating on permafrost even when said permafrost is molten, comprise prefabricated field units of assembled pipe elements composed of pipes enveloped by spaced shells and having within the space between pipe and shell buoyancy-imparting and insulating means such as foamed plastic. Said pipe elements are connected with each other by flexible joints to form the pipeline. The pipelines do not require foundations or piles. The field units can be mass-prefabricated under workshop conditions independently from the weather.

Abstract: The improved hot dip metallizing process of this invention comprises passing the article to be metallized, such as a ferrous metal article, through a bath of a molten heavy metal, such as lead, and conducting the article therefrom through a layer of molten coating metal, such as zinc, confined in a stack-like structure of a cross-sectional area being a small fraction of the surface area of the heavy metal bath. The molten coating metal is continuously supplied to the stack, preferably through orifices or nozzles so as to remove any droplets of molten heavy metal adhering to the surface of the article, thereby causing metallizing of the article and continuous overflow of excess molten coating metal at the top of the stack. Before hot blasting the coated metallic article it may be passed through mechanical removal means, such as counterrotating rollers to remove the major part of excess coating metal, while the remainder is removed by hot blasting.