Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1993-08-27
1996-06-18
Terrell, William E.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209567, 209604, 271263, B07C 512, B65H 712
Patent
active
055269397
ABSTRACT:
An apparatus for verifying any of a plurality of predetermined compositions of multilayered units composed of stacked sheetlike parts passed in spaced succession by a checkpoint, including the steps of determining a first value according to a thickness of a first unit of a first predetermined composition; storing said first value as a reference value for said first predetermined composition; determining a second value according to a thickness of a successive unit intended to have said first predetermined composition; comparing said reference value with said second value; and rejecting said successive unit when said second value is outside a tolerance range around said reference value; wherein said first and second values are calculated from a plurality of measurements taken during at least one predetermined measuring interval along each of said first unit and said successive unit, respectively, at least one limit of said at least one measuring interval being related to the passage of a transverse edge of the respective unit such that said measurements are taken along a section of the respective unit having one end located a selected distance from said transverse edge where the measured thickness in the section is substantially uniform and representative of the composition of that unit.
REFERENCES:
patent: 2891667 (1959-06-01), Truver
patent: 3930582 (1976-01-01), Gartner et al.
patent: 3935429 (1976-01-01), Branecky et al.
patent: 4068385 (1978-01-01), Mitzel
patent: 4170346 (1979-10-01), Murray et al.
patent: 4354865 (1982-10-01), Poad et al.
patent: 4378109 (1983-03-01), Takahashi et al.
patent: 4426785 (1984-01-01), Loftus et al.
patent: 4462587 (1984-07-01), Graef et al.
patent: 4623975 (1986-11-01), Kagami
patent: 4693376 (1987-09-01), Marion et al.
patent: 4700368 (1987-10-01), Munn et al.
patent: 4863037 (1989-09-01), Stevens et al.
patent: 4966354 (1990-10-01), Grunder
patent: 5011127 (1991-04-01), Hamilton et al.
patent: 5029845 (1991-07-01), Simpson-Davis
patent: 5075622 (1991-12-01), Konii et al.
patent: 5203555 (1993-04-01), Cannaverde et al.
patent: 5265733 (1993-11-01), Hoekstra et al.
Elektroniks, vol. 19 , No. 1, Jan. 1970.
Drenth Klaas
Hoekstra Ydo N.
Hadewe B.V.
Nguyen Tuan
Terrell William E.
LandOfFree
Method of checking the composition of multilayer units composed does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of checking the composition of multilayer units composed , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of checking the composition of multilayer units composed will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-217408