Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1988-09-19
1989-07-25
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
G01N 308
Patent
active
048502308
ABSTRACT:
Apparatus for measuring the forces applied to a pull tab during the formation of an opening in a container lid having an upper and lower surface with a pull tab hingedly secured on the upper surface and a score line in the container lid defining an opening and wherein one container lid at a time is fed into a holder having an opening therein so that a substantial portion of the upper surface of the container lid and all of the pull tab are exposed. A rotatable pull tab positioning head having a generally planar surface in which a recess in the shape of pull tab is formed is moved into resilient contact with the pull tab and is rotated relative to the container lid until the pull tab moves into the recess and thereafter the container lid and pull tab rotate with the positioning head to position the pull tab at a predetermined location. A load cell assembly having a pivotal hook member is moved into position with the hook member between the upper surface of the container lid and the pull tab. The container lid is rotated about the axis of the hinge connection of the pull tab and the hook member is held at a fixed position. As the container lid rotates, the hook member applies resistant forces on the pull tab until the opening is formed in the container lid which resistant forces are measured by the load cell assembly. The opened container lid is then discharged from the holder.
REFERENCES:
patent: 3464261 (1969-09-01), Helms
patent: 4637260 (1987-01-01), Gilliam et al.
Product Inspection Gauges, May 1974, Can Division Reynolds Metals Company.
Adolph Coors Company
Myracle Jerry W.
LandOfFree
Pull tab force measuring apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pull tab force measuring apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pull tab force measuring apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2349471