Abstract: An end closure for a container has a central panel, a circumferential countersink (18) formed around the center panel and adjacent the periphery of the end closure, and a fold (22) formed at the junction between the countersink and the center panel, the fold having opposite side walls which lie closely adjacent or in contact with each other and project upwards from the end closure. The fold may instead be formed at the base of the countersink. The fold forms an annular rigid zone in the end closure.

Abstract: For a pressurized container for dispensing a fluent material, and particularly an aerosol container, the cover or lid is domed, but is of sufficiently thin material that it might distort under elevated pressure in the container. To inhibit such distortion, one or both of the side walls of the cover recess, which is toward the periphery of the installed cover, are reinforced against deforming or stretching out of the container. In one embodiment, the radially inner wall of the recess engages the radially outer wall of the recess so that outward distortion of the dome of the cover is resisted by the stiffness of both engaged walls of the recess, strengthening the thin material domed cover against deformation under pressure in the container. Specifically, there may be annular ribs or other engageable deformations on walls of the recess that engage and thereby provide interference against the radially outer wall moving up out of the container upon the dome attempting to deform outwardly.

Abstract: The present invention refers to a can having a seam formed by a seaming process, through which it is possible to produce cans by seaming (fixing) tops and ends to bodies of cans by a microseaming process, forming a microseam. This microseamed can is made by using materials with 0.16 mm thickness or less, with a high hardness DR8 or DR9, or aluminum or other materials, for making tops, ends and bodies. As a result of the microseamed can a significant reduction of dimensions has been obtained on the cover and body hooks and in the length of the seam, without changing volumetric capacity of the can.

Abstract: A container for holding contents such as particulate material under pressure. A lid of the container has a bend that operatively engages the inside sidewall of the container, preferably a bead located in said sidewall to form a restricted passage therebetween. The restricted passage enables venting of the pressurized gas within the container while substantially retaining the particulate product. The restricted passage can additionally have a spray control material located therein.

Abstract: A top cover for an aerosol container comprises a seamable cover which is relatively thin walled with an outer periphery adapted for attachment to an aerosol container body, and a central opening defined by an inner periphery, the cover has a generally rounded dome shaped and the seamable cover is free of a countersunk recess in the vicinity of the periphery.

Abstract: According to this process, a tubular metal body (10) of substantially polygonal cross-section is formed, delimiting lateral faces (12) of the package which are connected together by rounded corners (14). Then a radially projecting metal-expansion bead (18) is formed in proximity to a first end of the body (10) and in each of the corners of this body. The beads (18) are all substantially the same distance from this first end. Finally, a neck (20) and a flange (22) extending this neck are formed on the first end of the body (10), and a detached metal face (24) forming a bottom or a top of the package is seamed onto the flange (22).

Abstract: A container and end adapted for closing and sealing the container with a double-seaming operation is provided which permits evacuating and back-flushing of gases out of and into the container while the end is in a seated and unseamed position on the container during the closing operation. The end includes a central circular panel, a chuck wall surrounding an outer periphery of the central panel and extending radially outwardly and upwardly from the central panel and a crown seaming panel surrounding the chuck wall and extending radially outwardly from the chuck wall and having an outer curled end for being double-seamed with a flanged upper end portion of the container for closing of the container. The end preferably includes sealing compound positioned on an inside surface of the chuck wall and the crown seaming panel.

Abstract: A lid mounting structure for a pressure vessel for preventing a lid member 2 crimped to a curled portion 6 of an opening 5 of a vessel body 1 from being blown away by an abnormal rise of the internal pressure. A cut-away portion 8 or a through hole is formed in an outside wall of the curled portion 6, thereby locally reducing the elastic deformation resisting strength of the curled portion 6 with respect to expansion of the inside diameter of the opening to a level lower than that of the elastic deformation resisting strength of the lid member 2 in the inward radial direction.

Abstract: A steel drum having a cylindrical body with rolling hoops at about 1/3 and 2/3 of the height of the drum, the rolling hoops having a flattened outer surface and a diameter no greater than 231/4 inches, where the diameter of the cylindrical body is consistent except for the areas of the rolling hoops. Other than a reduced diameter rolling hoop and a retooled swedger, all dimensions of the drum, tools and materials for manufacture are the same as a standard steel drum.

Abstract: An aerosol container cover having a central opening for a nozzle and an outer edge adapted for sealing attachment to the open end of an aerosol container body. The aerosol container cover being of a relatively thin walled metal and having a wall thickness in the range of 0.005 to 0.013 inch (0.127 to 0.330 mm) if the metal is steel, and being 0.005 to 0.018 inch (0.127 to 0.457 mm) in wall thickness if the metal is aluminum. The cover is thinner walled than would prevent distortion or eversion of the cover at government mandated minimum pressure levels in the aerosol container. The cover is of a generally convex dome shape as it extends from its outer edge to the central opening, and being free of any countersunk recess in the vicinity of its outer edge. In a method of making the aerosol container cover, the cover is attached to a container body by conventional seaming processing.

Abstract: An aerosol container cover having a central opening for a nozzle and an outer edge adapted for sealing attachment to the open end of an aerosol container body. The aerosol container cover being of a relatively thin walled metal and having a wall thickness in the range of 0.005 to 0.013 inch (0.127 to 0.330 mm) if the metal is steel, and being 0.005 to 0.018 inch (0.127 to 0.457 mm) in wall thickness if the metal is aluminum. The cover is thinner walled than would prevent distortion or eversion of the cover at government mandated minimum pressure levels in the aerosol container. The cover is of a generally convex dome shape as it extends from its outer edge to the central opening, and being free of any countersunk recess in the vicinity of its outer edge. In a method of making the aerosol container cover, the cover is attached to a container body by conventional seaming processing.

Abstract: For a pressurized container for dispensing a fluent material, and particularly an aerosol container, the cover or lid is domed, but is of sufficiently thin material that it might distort under elevated pressure in the container. To inhibit such distortion, one or both of the side walls of the cover recess, which is toward the periphery of the installed cover, are reinforced against deforming or stretching out of the container. In one embodiment, the radially inner wall of the recess engages the radially outer wall of the recess so that outward distortion of the dome of the cover is resisted by the stiffness of both engaged walls of the recess, strengthening the thin material domed cover against deformation under pressure in the container. Specifically, there may be annular ribs or other engageable deformations on walls of the recess that engage and thereby provide interference against the radially outer wall moving up out of the container upon the dome attempting to deform outwardly.

Abstract: The present invention refers to a can having a seam formed by a seaming process, through which it is possible to produce cans by seaming (fixing) tops and ends to bodies of cans by micro-seaming process. This seamed can is made by using materials with 0.16 mm thickness or less, with a high hardness DR8 or DR9 for making tops and ends. As a result of the micro-seaming process a significant reduction of dimensions has been obtained on the cover and body hooks and in the length of the seam, without changing volumetric capacity of the can.

Abstract: A mounting cup for closing an aerosol container is strengthened by configuring the terminal end of the profile portion of the mounting cup contiguous to the body portion of the mounting cup with an "S"-like shaped segment. The "S"-like shaped segment comprises a section contiguous to the body portion and a section distal to the body portion. The contiguous section is disposed a greater distance from the top of the body portion than the distal section, creating a panel depth in the "S"-like shaped segment contiguous to the body portion.

Abstract: A container or can having a body and end portion which include plastic free ends and which are joined and sealed by cooperatively curling the juxtaposed ends. The body portion has an opening surrounded by a free end suitable for curling. The container end portion has a generally flat or dish shaped central lid portion with a peripheral skirt having a free end adaptable to the container body free end and suitable for curling. The container body and end portions are joined by juxtaposing their free ends so that they form a double wall followed by curling with a curling tool to intimately engage the ends and concurrently curve the perimeters thereof to one another in a tightly curled configuration.

Abstract: An end wall 9, for attachment to a container, has a central panel 10 and surrounded by a channel portion 11 which includes a deposit of solder 19 in the form of a paste of solder and flux. The can end 9 is joined by a double seam 23 to a sidewall 12 of a container body. Heating of the double seam melts the solder to create a soldered joint between the end wall and sidewall. The invention is to be used in the manufacture of containers requiring strong double seams and may be used to make containers for carriage of dangerous goods. Apparatus for applying solder pastes to can ends is described in which paste is urged from a pot against convex surface 37 before passing through outlet nozzles 38 onto a can end.

Abstract: The can end closure member includes a removable central panel for opening the can, and a stepped panel portion allowing the can to be opened by means of a conventional can opener. The stepped panel portion has an angled configuration which recesses the scoreline of the central panel and protects the scoreline from shocks during shipping and handling. The stepped panel portion also includes a ledge portion which serves as a seat for stacking another can on the stepped panel portion without bearing upon the scoreline or the central panel.

Abstract: A container or can having a body and end portion which include free ends comprising plastic materials and which are joined and sealed by cooperatively curling juxtapositioned free ends. The method end apparatus of the invention forms the body portion with an opening surrounded by a free end suitable for curling and forms the end portion with a central portion surrounded by a free end suitable for curling. The container body and end portion are joined by juxtaposing their free ends for forming a plurality of walls, then the plastic in at least one of the free ends is provided in a condition at the time of curling which allows stress and related elastic strain and memory to be imparted to the plastic, followed by curling with a curling tool to intimately engage the ends and concurrently curl the perimeters thereof into a tightly curled configuration, wherein at least the one free end includes internal stress and related strain and memory for providing a seam of integrity and reliability.

Abstract: A container-closure system is provided for housing or containerizing a product, which comprises a container body having at least one free end about its perimeter which forms an opening on said container for receiving or discharging said product, and an end portion having a central lid portion and a free end about its perimeter, wherein the end portion is positioned adjacent the container opening such that the container body and end portion free ends are joined together as a seam about the container body opening periphery to join the container end portion to the container body, and to form an annular curled seam projection comprising at least a single curled wall of plastic integral with the container body free end periphery or the end portion free end; and wherein the thus formed annular curled seam projection provides a compressible surface adapted for engaging a cap in sealing arrangement.

Abstract: This relates to a conventional type metal container end having a modified end hook configuration for the purpose of eliminating undesired wrinkles within a conventional type of double seam between a metal container end and a container body. Most particularly, a customary straight section between an end curl and a cut edge of the metal container end is eliminated so that the end curl terminates at the cut edge. Additionally, the end curl is reinforced so as to stiffen the end curl by providing a reinforcement generally in the area of the normal juncture between a seaming panel and the end curl. In a preferred embodiment the reinforcement is arched primarily upwardly.

Abstract: A nesting drum and a method of making the same is provided. The drum comprises a shell which has a necking at the bottom to accommodate a double seam between the shell and the closure. The closure has a raised circular center and a plurality of ribs which re-enforce the shell to resist large loads.