Abstract:
Hanger strips for securing insulation material to a surface of a structure formed of sheet metal material including a plurality of bases which are connected by one or more breakable tabs integrally formed between each pair of adjacent bases and wherein first open slots extend from each of the breakable tabs toward opposite side edges of the bases and wherein a shank extends from each of the bases in a common direction and wherein pluralities of strips are oriented in first and second assemblies of rows of strips having their shanks opposing one another and their bases overlapping one another such that tips of the shanks are safely enclosed between the bases of the opposing assemblies and seated within the first open slots.
Abstract:
A method of making a knob and ferrule for a captive screw is disclosed, the knob integrally attached to the screw, the ferrule attachable to a panel. The method of making the knob includes providing an aluminum alloy base metal for the knob, pressing by cold-forming the base material into a generally cylindrical cup-shaped article using at least one pressing operation, the cup having a generally cylindrical side wall, removing any base material situated outside the perimeter of the cup-shaped cylindrical article, and providing a hole in the bottom of the cup, coaxial with the hollow cylindrical walls of the cup, thereby forming the knob. The method of making the ferrule includes providing a metal base material for the ferrule, pressing the base material, by cold-forming, into a cylindrical article using at least one pressing operation, the cylindrical article having a cylindrical side wall having an outer surface, cold-forming an attachment device an end of the ferrule; and removing any base material situated outside the perimeter of the cylindrical article, thereby forming the ferrule. All major parts of the captive screw, including the knob, ferrule and screw may be cold formed.
Abstract:
A base member of a push pin is formed by casting or molding, and a pin is inserted pointed end first into a hole in the base member and forced through the base member until the end opposite thereof lies below the surface of the base member. The material of the base member is then flowed over the end of the pin, by mechanical or heat techniques, to form a substantially complete layer over the end of the pin within the base member. The pins preferably extend at an acute angle to a flat surface of the base member. The push pin may have pins extending from opposite surfaces thereof, a loop shaped projection adapted to be affixed to a wire, or a hinge separating the base member into a hook portion and a portion carrying one or more pins. The push pin may have a contoured base member to facilitate the affixing of a picture wire to a hook formed on the base member. In another embodiment the push pin has a projection on the side thereof through which the pin extends, the projection having a rounded contour adjacent the pin, a radially outer surface, and an intermediate axially extending section between the rounded surface and the radially outer portion. The push pin may be formed with a pivoted lever, to serve as a wire clamp. For picture hanging purposes, the push pin may include a pair of pins extending from opposite sides of an elongated member and through projections, the elongated member having a saw tooth edge, with the planes of the saw tooth edge and the side of the elongated member adjacent thereto extending at an angle corresponding to portions of a nail extending at an angle in the wall, in order to facilitate the hanging of a picture on the wall.
Abstract:
A corrosion-resistant, headed fastener, such as a nail for exterior applications, is made from a carbon steel wire pre-coated with a protective, metallic layer having corrosion-resistant properties, the protective, metallic layer being discontinuous at a region on a leading end of the pre-coated wire. After at least part of a protective, metallic cap having corrosion-resistant properties is disposed near the leading end of the pre-coated wire, at least part of the protective, metallic cap is welded to the leading end of the pre-coated wire so as to cover the region where the protective, metallic layer is discontinuous, by impact welding, as a fastener is formed from the pre-coated wire in such manner that the fastener is formed with a shank and with a head, which is formed by deformation of the leading end. The welded part of the protective, metallic cap provides the fastener with corrosion resistance at the region where the protective, metallic layer is discontinuous, and the protective, metallic layer provides the fastener with corrosion resistance elsewhere. The protective, metallic layer is made from chromium, nickel, zinc, aluminum, or an alloy comprising zinc and aluminum, preferably from zinc or such an alloy. The protective, metallic cap is made from chromium, nickel, zinc, aluminum, or an alloy comprising zinc and aluminum, preferably aluminum, which can be visually differentiated from zinc or such an alloy.
Abstract:
A nail button and a method for manufacturing the nail button are disclosed. The nail button consists of a button cap and a base. The base comprises a collet and an attaching means associated with the collet. The collet is characterized in that it is not perforated and in that it comprises a lipped recess in the collet for joining the attaching means to the collet.
Abstract:
A base member of a push pin is formed by casting or molding, and a pin is inserted pointed end first into a hole in the base member and forced through the base member until the end opposite thereof lies below the surface of the base member. The material of the base member is then flowed over the end of the pin, by mechanical or heat techniques, to form a substantially complete layer over the end of the pin within the base member. The pins preferably extend at an acute angle to a flat surface of the base member. The push pin may have pins extending from opposite surfaces thereof, a loop shaped projection adapted to be affixed to a wire, or a hinge separating the base member into a hook portion and a portion carrying one or more pins. The push pin may have a contoured base member to facilitate the affixing of a picture wire to a hook formed on the base member. In another embodiment the push pin has a projection on the side thereof through which the pin extends, the projection having a rounded contour adjacent the pin, a radially outer surface, and an intermediate axially extending section between the rounded surface and the radially outer portion. The push pin may be formed with a pivoted lever, to serve as a wire clamp. For picture hanging purposes, the push pin may include a pair of pins extending from opposite sides of facilitate an elongated member and through projections, the elongated member having a saw tooth edge, with the planes of the saw tooth edge and the side of the elongated member adjacent thereto extending at an angle corresponding to portions of a nail extending at an angle in the wall, in order to facilitte the hanging of a picture on the wall.
Abstract:
A base member of a push pin is formed by casting or molding, and a pin is inserted pointed end first into a hole in the base member and forced through the base member until the end opposite thereof lies below the surface of the base member. The material of the base member is then flowed over the end of the pin, by mechanical or heat techniques, to form a substantially complete layer over the end of the pin within the base member. The pins preferably extend at an acute angle to a flat surface of the base member. The push pin may have pins extending from opposite surfaces thereof, a loop shaped projection adapted to be affixed to a wire, or a hinge separating the base member into a hook portion and a portion carrying one or more pins. The push pin may have a contoured base member to facilitate the affixing of a picture wire to a hook formed on the base member. In another embodiment the push pin has a projection on the side thereof through which the pin extends, the projection having a rounded contour adjacent the pin, a radially outer surface, and an intermediate axially extending section between the rounded surface and the radially outer portion. The push pin may be formed with a pivoted lever, to serve as a wire clamp. For picture hanging purposes, the push pin may include a pair of pins extending from opposite sides of an elongated member and through projections, the elongated member having a saw tooth edge, with the planes of the saw tooth edge and the side of the elongated member adjacent thereto extending at an angle corresponding to portions of a nail extending at an angle in the wall, in order to facilitate the hanging of a picture on the wall.