Method for verifying the construction of adhesively-attached substrates
First Claim
1. A method for inspecting hot melt applied to a substrate, said method comprising:
- placing said substrate with said hot melt within the detection range of an imaging device such that signals received therefrom contain at least one thermal image of said hot melt and a geometric representation of said substrate;
processing signals from said imaging device such that a composite representation of said substrate with said hot melt is created,determining if said composite representation satisfies predetermined deposition criteria for said substrate;
using a timing mechanism to determine if a length of time between deposition of said hot melt on said substrate and arrival of said substrate has exceeded a predetermined time delay associated with said deposition; and
providing notification that said substrate with said hot melt should be accepted or rejected based on at least one of said using and said determining.
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Accused Products
Abstract
A device and method for inspecting the deposition of hot melt onto an object to be assembled. A comparison is made between sensed images of the object after application of the hot melt and a predetermined standard to determine if the construction integrity of the object made with the hot melt is within the range established by the standard. Composite images from a sensor operating in the infrared band and another sensor reveal physical features of the object, as well as provide registration information about the placement of the hot melt on the assembled object. Composite images also present a way to visually ascertain ongoing or past production operations in order to trace problems with the raw material used for the object, as well as for the construction process of the object with the hot melt.
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Citations
18 Claims
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1. A method for inspecting hot melt applied to a substrate, said method comprising:
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placing said substrate with said hot melt within the detection range of an imaging device such that signals received therefrom contain at least one thermal image of said hot melt and a geometric representation of said substrate; processing signals from said imaging device such that a composite representation of said substrate with said hot melt is created, determining if said composite representation satisfies predetermined deposition criteria for said substrate; using a timing mechanism to determine if a length of time between deposition of said hot melt on said substrate and arrival of said substrate has exceeded a predetermined time delay associated with said deposition; and providing notification that said substrate with said hot melt should be accepted or rejected based on at least one of said using and said determining. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for at least partially assembling a product, said method comprising:
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receiving a substrate, depositing hot melt onto at least one surface of said substrate, placing said at least one surface within detection range of an imaging device; receiving from said imaging device at least one thermal image of said deposited hot melt and a geometric representation of said substrate; processing said received image to provide a composite representation of said substrate with said deposited hot melt; determining if said representation satisfies a predetermined deposition criteria; using a timing mechanism to determine if a length of time between deposition of said hot melt on said substrate and arrival of said substrate has exceeded a predetermined time delay associated with said deposition; providing notification to identify whether said substrate with said deposited hot melt should be accepted or rejected based on said determining; and performing at least one folding step on said accepted substrate. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification