Disposable absorbent article having a registered graphic and process for making
First Claim
1. A process for controllably registering a plurality of components of a continuously moving first layer with a plurality of reference marks on a continuously moving second layer, comprising the steps of:
- providing a continuously moving first layer having a plurality of components thereon,providing a continuously moving second layer having a plurality of reference marks thereon,sensing the distance between two successive reference marks,generating a signal in response to the sensed distance,adjusting the distance between subsequent successive reference marks to a selected distance,joining the continuously moving first and second layers together,sensing the position of each reference mark relative to its associated component,generating a signal when one of the reference marks is out of position relative to its component,processing the signal in accordance with preprogrammed instructions to generate a speed command signal, andadjusting the speed of the continuously moving second layer in response to the speed command signal in accordance with preprogrammed instructions.
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Accused Products
Abstract
A process for controllably registering two continuously moving layers of material is provided. One of the layers of material has a plurality of reference marks representing a plurality of separate and distinct components, and the other of the continuously moving layers has a respective plurality of different components thereon. The process controls the distance between reference marks to a selected distance, and controllably registers each reference mark to a respective component of the continuously moving second layer. An article is provided in which a graphic is controllably registered within a designated area thereof.
796 Citations
27 Claims
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1. A process for controllably registering a plurality of components of a continuously moving first layer with a plurality of reference marks on a continuously moving second layer, comprising the steps of:
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providing a continuously moving first layer having a plurality of components thereon, providing a continuously moving second layer having a plurality of reference marks thereon, sensing the distance between two successive reference marks, generating a signal in response to the sensed distance, adjusting the distance between subsequent successive reference marks to a selected distance, joining the continuously moving first and second layers together, sensing the position of each reference mark relative to its associated component, generating a signal when one of the reference marks is out of position relative to its component, processing the signal in accordance with preprogrammed instructions to generate a speed command signal, and adjusting the speed of the continuously moving second layer in response to the speed command signal in accordance with preprogrammed instructions. - View Dependent Claims (2, 3)
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5. A process for controllably registering a plurality of components of a continuously moving first layer with a plurality of components on a continuously moving second layer, comprising the steps of:
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providing a continuously moving first layer including a plurality of components, providing a continuously moving second layer including a plurality of components, representing the components of one of the continuously moving layers with a respective plurality of reference marks, sensing each of the reference marks and generating a signal in response thereto, measuring the distance between two reference mark signals, adjusting the distance between two reference marks in response to the measured distance, superimposing the continuously moving first layer and the continuously moving second layer together, detecting a reference mark of the continuously moving one layer and its corresponding component of the continuously moving other layer, and generating a signal in response thereto, and adjusting the speed of the continuously moving one layer in response to a generated signal in accordance with preprogrammed instructions to controllably register a reference mark on the continuously moving one layer with its corresponding component on the continuously moving other layer. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A process for controllably registering a plurality of reference marks of a continuously moving first layer with a plurality of corresponding reference marks of a continuously moving second layer, comprising the steps of:
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providing a continuously moving first layer including a plurality of reference marks selectively positioned thereon, providing a continuously moving second layer including a plurality of corresponding reference marks selectively positioned thereon, sensing each of the reference marks of one of the continuously moving layers and generating a signal in response thereto, measuring the distance between two reference mark signals, adjusting the length of the continuously moving one layer in response to the measured distance, superimposing the continuously moving layers together, detecting a reference mark of the continuously moving one layer and its corresponding reference mark of the continuously moving other layer, and generating a signal in response thereto, and adjusting the speed of the continuously moving eon layer in response to a generated signal in accordance with preprogrammed instructions to controllably register a reference mark of the continuously moving one layer with its corresponding reference mark on the continuously moving other layer. - View Dependent Claims (4, 13, 14, 15)
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16. A process for controllably registering a plurality of components of a continuously moving first layer with a plurality of components on a continuously moving second layer, comprising the steps of:
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providing a continuously moving first layer including a plurality of components, providing a continuously moving second layer including a plurality of components, representing the components of one of the continuously moving layers with a respective plurality of reference marks, sensing each of the reference marks and generating a signal in response thereto, measuring the distance between two reference mark signals, varying the speed of the one layer to adjust the distance between two reference marks in response to the measured distance, superimposing the continuously moving first layer and the continuously moving second layer together, detecting a reference mark of the continuously moving one layer and its corresponding component of the continuously moving other layer, and generating a signal in response thereto, and adjusting the speed of the continuously moving one layer in response to a generated signal in accordance with preprogrammed instructions to controllably register a reference mark on the continuously moving one layer with its corresponding component on the continuously moving other layer. - View Dependent Claims (17, 18)
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19. A process for controllably registering a plurality of components of a continuously moving first layer with a plurality of components on a continuously moving second layer, comprising the steps of:
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providing a continuously moving first layer including a plurality of components, providing a continuously moving second layer including a plurality of components, representing the components of one of the continuously moving layers with a respective plurality of reference marks, sensing each of the reference marks and generating a signal in response thereto, measuring the distance between two reference mark signals, varying the tension of the one layer to adjust the distance between two reference marks in response to the measured distance, superimposing the continuously moving first layer and the continuously moving second layer together, detecting a reference mark of the continuously moving one layer and its corresponding component of the continuously moving other layer, and generating a signal in response thereto, and adjusting the speed of the continuously moving one layer in response to a generated signal in accordance with preprogrammed instructions to controllably register a reference mark on the continuously moving one layer with its corresponding component on the continuously moving other layer. - View Dependent Claims (20, 21)
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22. A process for controllably registering a plurality of components of a continuously moving first layer with a plurality of components on a continuously moving second layer, comprising the steps of:
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providing a continuously moving first layer including a plurality of components, providing a continuously moving second layer including a plurality of components, representing the components of one of the continuously moving layers with a respective plurality of reference marks, sensing each of the reference marks and generating a signal in response thereto, measuring the distance between two reference mark signals, adjusting the distance between two reference marks in response to the measured distance, joining a continuously moving third layer to the one continuously moving layer, superimposing the continuously moving one and third layers and the continuously moving other layer together, detecting a reference mark of the continuously moving one layer and its corresponding component of the continuously moving other layer, and generating a signal in response thereto, and adjusting the speed of the continuously moving one layer in response to a generated signal in accordance with preprogrammed instructions to controllably register a reference mark on the continuously moving one layer with its corresponding component on the continuously moving other layer. - View Dependent Claims (23, 24, 25, 26, 27)
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Specification