Apparatus for trimming a flange on a cylindrical opening of a plastic container
AssigneeDelaware Capital Formation, Inc.
InventorsHarold James Marshall, Mohamed Hachem Saadi El Hachem, William Storrs Reynolds
Life of this patent
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Abstract
The present invention includes a trim station for trimming the flange of a container, an apparatus for trimming the flange of a container and a method of trimming the flange of a container. The trim station includes a rotating primary knife and a secondary knife mounted on a movable member, wherein the secondary knife is moved into a cutting position by advancing the movable member in a direction parallel to the axial direction of the container. The present invention also includes a spindle assembly and a container by process of trimming the flange of the container.
Claims44
A trim station for trimming a flange of a container comprising:
- a rotating primary knife;
- and
- a secondary knife mounted on a movable member,
- wherein the secondary knife is moved into a cutting position by advancing the movable member in a direction parallel to an axial direction of the container.
An apparatus for trimming a flange of a container, comprising a plurality of trim stations,
- wherein each trim station includes a rotating primary knife and a secondary knife mounted on a movable member and the secondary knife is moved into a cutting position by moving the movable member in a direction parallel to the axial direction of the container.
A method of trimming the flange of a container comprising the steps of:
- loading the container with the flange on a container holder of a spindle assembly;
- advancing the container toward a primary knife by advancing a spindle in the spindle assembly;
- advancing a secondary knife in a direction substantially parallel to an axial direction of the container until it penetrates the flange of the container;
- and
- cutting the flange until the flange is completely severed from the container.
A spindle assembly for use in a flange trimming apparatus comprising:
- a spindle;
- and
- a container holder mounted on bearings on a first end of the spindle,
- wherein the container holder is adapted to be freely rotatable.
Dependencies are inferred from the claim text.