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US 6,893,528 B2Granted
Web material advance system for web material applicator
AssigneeAdalis Corporation
InventorsScott K. Middelstadt, James N. Hartman
Life of this patent
Estimating the term…
Abstract
An apparatus for applying a cutting edge tape or a reinforcing tape to a substrate by feeding and cutting lengths of tape and advancing the lengths to a vacuum wheel applicator, the feed section of the apparatus comprising a feed roll, an anvil vacuum roll, and a rotary knife adjacent to the anvil vacuum roll, and means for adjusting the speed of the feed roll and the speed of the anvil vacuum roll to vary the length of the tape advanced to the applicator.
Claims20
A tape assembly for feeding a predetermined length of tape onto a substrate in predetermined registry with the substrate, said feed assembly comprising:
- a feed roll for advancing tape from a supply thereof along a predetermined path at a first speed;
- a vacuum roll with an anvil insert for accepting said tape from said feed roll;
- a rotary knife having blade means engageable with said vacuum roll for cutting said tape against said vacuum roll;
- a vacuum wheel applicator for receiving said cut tape from said vacuum roll and placing said cut tape on a substrate, the vacuum wheel applicator being positioned adjacent to said vacuum roll;
- a drive for said vacuum roll to provide a predetermined peripheral speed thereof different than said first speed for advancing said tape toward said vacuum wheel applicator in predetermined lengths;
- and
- a motor controller means for changing said first speed and said predetermined speed to adjust the length of tape advancing on said vacuum roll before being cut by said rotary knife driven at said predetermined speed.
4 more elements
A web material feed assembly, comprising:
- a feed roll configured to advance web material along a predetermined path;
- a vacuum roll configured to receive the web material advanced by the feed roll;
- a rotary knife positioned near the vacuum roll and configured to engage the web material at a location on the vacuum roll to cut the web material into a cut web material length;
- a vacuum wheel applicator configured to receive the cut web material length and advance the cut web material length onto a substrate, the vacuum wheel applicator defining a continuous foraminous cylindrical peripheral surface
- a first sensor positioned to detect a location on the substrate for applying the web material to the substrate and generate a first signal identifying the location;
- a second sensor positioned to detect the rotational position of the rotary knife and generate a second signal identifying the rotational position;
- and
- a controller configured to receive the first signal and the second signal and control the peripheral speed of at least the rotary knife or the vacuum roll in response to the first signal and the second signal.
5 more elements
A web material feed assembly, comprising:
- a feed roll configured to advance web material along a predetermined path;
- a vacuum roll configured to receive the web material advanced by the feed roll;
- a rotary knife positioned near the vacuum roll and configured to engage the web material at a location on the vacuum roll to cut the web material into a cut web material length;
- a vacuum wheel applicator configured to receive the cut web material length and advance the cut web material length onto a substrate, the vacuum wheel applicator defining a continuous foraminous cylindrical peripheral surface;
- and
- an adhesion preparation means for activating the web material.
3 more elements
A web material feed assembly, comprising:
- a feed roll configured to advance web material along a predetermined path;
- a vacuum roll configured to receive the web material advanced by the feed roll;
- a rotary knife positioned near the vacuum roll, and configured to engage the web material at a location on the vacuum roll to cut the web material into a cut web material length;
- an applicator configured to advance the cut web material length onto a substrate;
- a first sensor positioned to detect a location on the substrate for applying the web material to the substrate and generate a first signal identifying the location;
- a second sensor positioned to detect the rotational position of the rotary knife and generate a second signal identifying the rotational position;
- and
- a controller configured to receive the first signal and the second signal and control the peripheral speed of at least the rotary knife or the vacuum roll in response to the first signal and the second signal.
5 more elements
A web material feed assembly 10, comprising:
- a feed roll configured to advance web material along a predetermined path;
- a vacuum roll configured to receive the web material advanced by the feed roll;
- a rotary knife positioned near the vacuum roll, and configured to engage the web material at a location on the vacuum roll to cut the web material into a cut web material length;
- an applicator configured to advance the cut web material length onto a substrate;
- and
- an adhesion preparation means for activating the web material.
3 more elements
Dependencies are inferred from the claim text.