US4845583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record diskette or disk jackets lined with powder bonded nonwoven fabrics
Assignee: Bonar Fabrics Corp
•
Filing: 1987-05-07
•
Granted: 1989-07-04
•
Expires: 2007-05-07
Abstract
Abstract The use of powder bonded nonwoven fabrics as liners for jackets for retaining "floppy" diskettes or disks results in significant increases in production through-put rates for the blanks used to make such jackets, and to improvements in lamination and fiber retention around the cutouts in these blanks.
Inventors
- 👤 Nancy J. Zimmerman
- 👤 David L. Burge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:24
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/03; G11B23/0326; D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/58; D04H1/60; G11B23/033; G11B23/0332
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
37 words
A jacket for retaining a flexible rotary magnetic record diskette or disk comprising a relatively thin outer layer of high impact plastic material and an inner liner of powder bonded nonwoven fabric laminated to said outer layer.
Claim 2
Dependent Claim
37 words
A jacket for retaining a flexible rotary magnetic record diskette or disk comprising a relatively thin outer layer of high impact plastic material and an inner liner of powder bonded nonwoven fabric laminated to said outer layer.
Claim 3
Dependent Claim
19 words
A diskette or disk jacket as recited in claim 1 wherein said outer layer comprises a vinyl plastic material.
Claim 4
Dependent Claim
18 words
A diskette or disk jacket as recited in claim 2 wherein said vinyl plastic material is polyvinyl chloride.
Claim 5
Dependent Claim
19 words
A diskette or disk jacket as recited in claim 1 wherein said powder bonded nonwoven fabric contains polyester fibers.
Claim 6
Dependent Claim
20 words
A diskette or disk jacket as recited in claim 1 wherein said powder bonded nonwoven fabric contains antistatic polyester fibers.
Claim 7
Dependent Claim
33 words
A diskette or disk jacket as recited in claim 1 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of the fiber content.
Claim 8
Dependent Claim
32 words
A diskette jacket or disk as recited in claim 1 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of said fabric.
Claim 9
Dependent Claim
36 words
A jacket for retaining a flexible rotary magnetic record diskette or disk comprising a relatively thin outer layer of polyvinyl chloride and an inner layer of powder bonded nonwoven polyester fabric laminated to said outer layer.
Claim 10
Dependent Claim
36 words
A jacket for retaining a flexible rotary magnetic record diskette or disk comprising a relatively thin outer layer of polyvinyl chloride and an inner layer of powder bonded nonwoven polyester fabric laminated to said outer layer.
Claim 11
Dependent Claim
37 words
A jacket for retaining a flexible rotary magnetic record diskette or disk comprising a relatively thin outer layer of polyvinyl chloride and an inner layer of powder bonded nonwoven antistatic polyester fabric laminated to said outer layer.
Claim 12
Dependent Claim
37 words
A jacket for retaining a flexible rotary magnetic record diskette or disk comprising a relatively thin outer layer of polyvinyl chloride and an inner layer of powder bonded nonwoven antistatic polyester fabric laminated to said outer layer.
Claim 13
Independent Claim
59 words
A method of constructing a jacket for retaining a flexible rotary magnetic record diskette or disk which comprises the steps of laminating a powder bonded nonwoven fabric to a relatively thin layer of high impact plastic material, cutting the thus-obtained laminate to form a blank, punching the appropriate apertures into said blank and folding and edge sealing said blank.
Claim 14
Independent Claim
59 words
A method of constructing a jacket for retaining a flexible rotary magnetic record diskette or disk which comprises the steps of laminating a powder bonded nonwoven fabric to a relatively thin layer of high impact plastic material, cutting the thus-obtained laminate to form a blank, punching the appropriate apertures into said blank and folding and edge sealing said blank.
Claim 15
Dependent Claim
16 words
A method as recited in claim 10 wherein said powder bonded nonwoven fabric contains polyester fibers.
Claim 16
Dependent Claim
17 words
A method as recited in claim 10 wherein said powder bonded nonwoven fabric contains antistatic polyester fibers.
Claim 17
Dependent Claim
31 words
A method as recited in claim 10 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of the fabric's fiber content.
Claim 18
Dependent Claim
29 words
A method as recited in claim 10 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of said fabric.
Claim 19
Dependent Claim
16 words
A method as recited in claim 10 wherein said plastic material is a vinyl plastic material.
Claim 20
Dependent Claim
14 words
A method as recited in claim 10 wherein said plastic material is polyvinyl chloride.
Claim 21
Dependent Claim
37 words
In a method of constructing a jacket for retaining a flexible rotary magnetic record diskette or disk, the improvement which comprises laminating a powder bonded nonwoven fabric to a relatively thin layer of high impact plastic material.
Claim 22
Dependent Claim
37 words
In a method of constructing a jacket for retaining a flexible rotary magnetic record diskette or disk, the improvement which comprises laminating a powder bonded nonwoven fabric to a relatively thin layer of high impact plastic material.
Claim 23
Dependent Claim
16 words
A method as recited in claim 17 wherein said powder bonded nonwoven fabric contains polyester fibers.
Claim 24
Dependent Claim
17 words
A method as recited in claim 17 wherein said powder bonded nonwoven fabric contains antistatic polyester fibers.
Claim 25
Dependent Claim
31 words
A method as recited in claim 17 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of the fabric's fiber content.
Claim 26
Dependent Claim
29 words
A method as recited in claim 17 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of said fabric.
Claim 27
Dependent Claim
16 words
A method as recited in claim 17 wherein said plastic material is a vinyl plastic material.
Claim 28
Dependent Claim
14 words
A method as recited in claim 17 wherein said plastic material is polyvinyl chloride.
Claim 29
Dependent Claim
41 words
In a jacket for retaining a flexible rotary magnetic record diskette or disk, said jacket comprising an outer layer and an inner layer bonded to said outer layer, the improvement which comprises said inner layer being a powder bonded nonwoven fabric.
Claim 30
Dependent Claim
41 words
In a jacket for retaining a flexible rotary magnetic record diskette or disk, said jacket comprising an outer layer and an inner layer bonded to said outer layer, the improvement which comprises said inner layer being a powder bonded nonwoven fabric.
Claim 31
Dependent Claim
19 words
A diskette or disk jacket as recited in claim 24 wherein said powder bonded nonwoven fabric contains polyester fibers.
Claim 32
Dependent Claim
20 words
A diskette or disk jacket as recited in claim 24 wherein said powder bonded nonwoven fabric contains antistatic polyester fibers.
Claim 33
Dependent Claim
33 words
A diskette or disk jacket as recited in claim 24 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of the fiber content.
Claim 34
Dependent Claim
32 words
A diskette or disk jacket as recited in claim 24 wherein said powder bonded nonwoven fabric contains polyester fibers and an antistatic finish on all or a substantial part of said fabric.
References Cited (Backward Citations)
US2880112A
Cited
US2880113A
Cited
US3668658A
Cited
US3947893A
Cited
US3864755A
Cited
US3931644A
Cited
US4106067A
Cited
US4251843A
Cited
US4297410A
Cited
US4354213A
Cited
US4586606A
Cited
US4610352A
Cited
US4586606B1
Cited
US4655348A
Cited
US4724501A
Cited
US4680661A
Cited
US4709816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-03 | 1993-01-02 | 1993-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-03 | 1997-01-02 | 1997-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-03 | 2001-01-02 | 2001-07-04 | $7700.00 | Window Closed / Lapsed |