Patent US4607412A successfully refreshed from Google Patents.
US4607412A
Expired / Lapsed
US
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Reversible buffing pad and method of manufacture
Assignee: BAF Industries LLC
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Filing: 1985-03-25
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Granted: 1986-08-26
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Expires: 2005-03-25
Abstract
Abstract A buffing pad includes hub including screw threads therein for releasably attaching the hub to a drive shaft from either side of the hub. A fusible center disk is attached to the hub and a pair of buffing pads are provided with each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches which are exposed in a second side thereof. Additional fusible material is provided for securing the stitches in the buffing pads, coaxially securing the center disk between the second sides of the buffing disks and securing the second sides of the buffing disk together to form a buffing pad, with the two tufted first sides of the buffing disk facing outwardly from one another. During manufacture of the buffing pad the center disk is heat-formed into a tapered configuration which decreases in thickness from a position adjacent a coaxial hold therein to an outer edge thereof. This tapering enables the pad to be flexible at outer edges thereof for conforming with curved surfaces, yet at the same time maintaining a firm support toward the center thereof for application of pressure during buffing.
Inventors
- 👤 Lewis A. Ashworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:56
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D13/145; B24D13/20
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
173 words
A buffing pad comprising: a hub having means for releasably attaching said hub to a drive shaft, said means enabling attachment to said drive shaft from either of two sides of said hub; a heat processable center disk; means for mounting said hub coaxially with said heat processable center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another, said last mentioned means including fusible material means for combining with said heat processable center disk.
Claim 2
Dependent Claim
173 words
A buffing pad comprising: a hub having means for releasably attaching said hub to a drive shaft, said means enabling attachment to said drive shaft from either of two sides of said hub; a heat processable center disk; means for mounting said hub coaxially with said heat processable center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another, said last mentioned means including fusible material means for combining with said heat processable center disk.
Claim 3
Dependent Claim
57 words
The buffing pad according to claim 1 wherein said heat processable center disk comprises fusible material means for enabling the heat processable center disk to be heat formed during assembly of the buffing pad said heat processable center disk having a thickness which decreases from a position adjacent a coaxial hole therein to an outer edge thereof.
Claim 4
Dependent Claim
184 words
A buffing pad comprising: a hub having means for releasably attaching said hub to a drive shaft, said means enabling attachment to said drive shaft from either of two sides of said hub; a center disk, said disk including means defining a plurality of holes therein for a fusible material to flow thereinto upon the application of heat thereto; means for mounting said hub coaxially with said center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another, said last mentioned means including a fusible material.
Claim 5
Dependent Claim
184 words
A buffing pad comprising: a hub having means for releasably attaching said hub to a drive shaft, said means enabling attachment to said drive shaft from either of two sides of said hub; a center disk, said disk including means defining a plurality of holes therein for a fusible material to flow thereinto upon the application of heat thereto; means for mounting said hub coaxially with said center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another, said last mentioned means including a fusible material.
Claim 6
Dependent Claim
23 words
The buffing pad according to claim 3 wherein said means for releasably attaching said hub to a drive shaft includes coaxial screw threads.
Claim 7
Dependent Claim
41 words
The buffing pad according to claim 4 wherein said means for coaxially mounting the hub to the center disk includes a pair of washers, one on each side of said center disk and attached to one another through said center disk.
Claim 8
Dependent Claim
27 words
The buffing pad according to claim 5 wherein said center disk decreases in thickness from a position adjacent a coaxial hole therein to an outer edge thereof.
Claim 9
Dependent Claim
23 words
The buffing pad according to claim 6 wherein said pair of buffing disks each comprise two fabric disks laminated by a fusible material.
Claim 10
Dependent Claim
196 words
Buffing pad apparatus comprising: a connector having a male thread on one end thereof and having another end adapted for attachment to a motor driven drive shaft; a hub having female thread means therein for releasably attaching said hub connector, said female thread means enabling attachment to said connector either of two sides of said hub; a heat processable center disk; means for mounting said hub coaxially with said heat processable center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another, said last mentioned means including fusible material means for combining with said heat processable center disk.
Claim 11
Dependent Claim
196 words
Buffing pad apparatus comprising: a connector having a male thread on one end thereof and having another end adapted for attachment to a motor driven drive shaft; a hub having female thread means therein for releasably attaching said hub connector, said female thread means enabling attachment to said connector either of two sides of said hub; a heat processable center disk; means for mounting said hub coaxially with said heat processable center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another, said last mentioned means including fusible material means for combining with said heat processable center disk.
Claim 12
Dependent Claim
58 words
The buffing pad apparatus according to claim 8 wherein said heat processable center disk comprises fusible material means for enabling the heat processable center disk to be heat formed during assembly of the buffing pad, said heat processable center disk having a thickness which decreases from a position adjacent a coaxial hole therein to an outer edge thereof.
Claim 13
Dependent Claim
208 words
A buffing pad apparatus comprising: a connector having a male thread on one end thereof and having another end adapted for attachment to a motor driven drive shaft; a hub having female thread means therein for releasably attaching said hub connector, said female thread means enabling attachment to said connector either of two sides of said hub; a center disk, said disk including means defining a plurality of holes therein for a fusible material to flow into upon the application of heat thereto; means for mounting said hub coaxially with said center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another said last mentioned means including a fusible material.
Claim 14
Dependent Claim
208 words
A buffing pad apparatus comprising: a connector having a male thread on one end thereof and having another end adapted for attachment to a motor driven drive shaft; a hub having female thread means therein for releasably attaching said hub connector, said female thread means enabling attachment to said connector either of two sides of said hub; a center disk, said disk including means defining a plurality of holes therein for a fusible material to flow into upon the application of heat thereto; means for mounting said hub coaxially with said center disk; a pair of buffing disks each having a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof, said plurality of yarn tufts being of sufficient number and density to provide a buffing nap on the first side of each buffing disk; and, means for securing said stitches in said buffing disks, coaxially securing said center disk between the second sides of the buffing disks, and securing the second sides of the buffing disk together to form a buffing pad with the two tufted first sides of the buffing disks facing outwardly from one another said last mentioned means including a fusible material.
Claim 15
Dependent Claim
42 words
The buffing pad apparatus according to claim 10 wherein said means for coaxially mounting the hub to the center disk includes a pair of washers, one on each side of said center disks and attached to one another through said center disk.
Claim 16
Dependent Claim
28 words
The buffing pad apparatus according to claim 11 wherein said center disk decreases in thickness from a position adjacent a coaxial hole therein to an outer edge thereof.
Claim 17
Dependent Claim
24 words
The buffing pad apparatus according to claim 12 wherein said pair of buffing disks each comprise two fabric disks laminated by a fusible material.
Claim 18
Independent Claim
100 words
A method of manufacturing a buffing pad comprising the steps of: sewing two buffing disks with a yarn to provide a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof; mounting a hub to a center disk; securing said stitches in the buffing disks by means of a fusible materials, and fusing the second sides of the buffing disk together with the hub and center disk therebetween to form a buffing disk having the two tufted first sides of the buffing disks facing outwardly from one another.
Claim 19
Independent Claim
100 words
A method of manufacturing a buffing pad comprising the steps of: sewing two buffing disks with a yarn to provide a plurality of yarn tufts protruding from a first side thereof and a plurality of yarn stitches exposed on a second side thereof; mounting a hub to a center disk; securing said stitches in the buffing disks by means of a fusible materials, and fusing the second sides of the buffing disk together with the hub and center disk therebetween to form a buffing disk having the two tufted first sides of the buffing disks facing outwardly from one another.
Claim 20
Dependent Claim
36 words
The method of manufacturing a buffing pad according to claim 14 wherein said center disk includes means defining a plurality of holes therein for said fusible material to flow thereinto upon the application of heat thereto.
Claim 21
Dependent Claim
44 words
The method of manufacturing a buffing pad according to claim 15 wherein said hub is mounted to the center disk by means of a pair of washers, one on each side of said center disk and attached to one another through said center disk.
Claim 22
Dependent Claim
58 words
The method of manufacturing a buffing pad according to claim 16 wherein during fusing the second sides of the buffing disk together with the hub and center disk therebetween causes the center disk to be heat formed with the thickness of the center disk decreasing from a position adjacent a coaxial hole therein to an outer edge thereof.
Claim 23
Dependent Claim
31 words
The method of manufacturing a buffing pad according to claim 17 further comprises the steps of forming the two buffing disks by laminating two fabric disks together with a fusible material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-25 | 1990-02-24 | 1990-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-25 | 1994-02-24 | 1994-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-25 | 1998-02-24 | 1998-08-26 | $7700.00 | Window Closed / Lapsed |