Abstract:
A shell (20) includes a body (22) with a center panel (30), a countersink (32), a chuck wall (34), and a draw-stretched outer portion (26). The countersink (32) has a base thickness. The outer portion (26) has a reduced thickness. The shell countersink (32) has substantially the same thickness as the sheet material (1) prior to forming. In this configuration, the shell (20) maintains the buckle resistance of a standard shell but uses less material.
Abstract:
A conversion press wherein a crankshaft (52) drives the motion of the tooling assemblies (130, 140) within a number of lanes (20) is provided. The crankshaft is structured to move the tooling assemblies (130, 140) associated with less than the total number of lanes (20). That is, for example, a four lane conversion press (12) could include two crankshafts (52) each actuating the tooling assemblies (130, 140) of two lanes. In an exemplary embodiment, each lane has a single associated crankshaft (52).
Abstract:
A reduced length ecology tab is provided for a can end. The can end includes an end panel and a rivet affixing the tab to the end panel. The tab includes a body having first and second opposing ends, and a length measured by the distance between the first end and the second end. A nose portion is disposed at or about the first end, and a lift portion is disposed at or about the second end. The length of the tab is less than 0.985 inch.
Abstract:
A container closure (10) includes a generally planar body (12) having a product side (14) and a customer side (16). The body (12) includes a container opening (20). The container opening (20) includes a shifted material line (30).
Abstract:
A conversion system wherein a crankshaft drives the motion of the tooling assemblies within a number of lanes is provided. The crankshaft is structured to move the tooling assemblies associated with less than the total number of lanes. That is, for example, a four lane conversion press could include two crankshafts each actuating the tooling assemblies of two lanes. In an exemplary embodiment, each lane has a single associated crankshaft. The conversion system includes a multiple press drive assembly with a clutch/brake assembly and a flywheel assembly. The clutch/brake assembly is structured to suspend operation of the press units while the flywheel assembly stores energy in a flywheel. When operation of the press units is restarted, energy from the flywheel aids the motor in bringing the press units to an operating speed.
Abstract:
A container closure (10) includes a generally planar body (12) having a product side (14) and a customer side (16). The container closure body (12) defines a limited container opening (20) and an actuation location (620). Further, the container body (12) includes a force concentrating construction (200) disposed adjacent the limited container opening (20).
Abstract:
A formed blank (10) is provided. The formed blank (10) includes a stretched portion (38) and/or a truncated protrusion (20), a tooling assembly (100) structured to form a formed blank (10) including a stretched portion (38) and/or a truncated protrusion (22), and a method of forming (1000) a formed blank (10) including a stretched portion (38) and/or a truncated protrusion (22). The formed blank (10) includes a base (12) and a depending sidewall (14). The stretched portion (38) and/or the truncated protrusion (22) is disposed on the formed blank base (12) and the thickness of the stretched portion (38) and/or the truncated protrusion (22) is less than the sidewall (14). The stretched portion (38) and/or the truncated protrusion (22) utilizes less material relative to an unformed base that has about the same thickness as the sidewall (14).
Abstract:
A container, such as a beverage or food can is provided, which includes a first sidewall, a second sidewall and a bottom portion extending between the first and second sidewalls. The material of the bottom portion is stretched relative to the first sidewall and the second sidewall to form a thinned preselected profile, such as a dome. The material of the container at or about the dome has a substantially uniform thickness. The container is formed from a blank of material, which has a base gauge prior to being formed. After being formed, the blank of material of the container at or about the dome has a thickness less than the base gauge. Tooling having a clamp bead, or a progressive clamp bead, for selectively forming a blank of material into a container, as well as an associated method are also disclosed.
Abstract:
A shell, a container employing the shell, and tooling and associated methods for forming the shell are provided. The shell includes a center panel, a circumferential chuck wall, an annular countersink between the center panel and the circumferential chuck wall, and a curl extending radially outwardly from the chuck wall. The material of at least one predetermined portion of the shell is selectively stretched relative to at least one other portion of the shell, thereby providing a corresponding thinned portion. The tooling includes a pressure concentrating forming surface.