US4880488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film peeling method and apparatus
Assignee: Somar Corp
•
Filing: 1988-10-14
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Granted: 1989-11-14
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Expires: 2008-10-14
Abstract
Abstract An apparatus for peeling a film from a substrate is disclosed which comprises: film peeling guide members for setting a direction of peeling of the film; peeling members for peeling off a part of the film and sticking the part onto the film peeling guide members; a film conveying subsystem for supporting the film stuck onto the film peeling guide members and removing the film out of the apparatus; and guide member moving mechanism for causing the film peeling guide members to change their angular positions. Also, a related method is disclosed herein.
Inventors
- 👤 Takao Matsuo
- 👤 Fumio Hamamura
- 👤 Shigeo Sumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:09
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/0004; B29C63/0013; G; G03; G03F; G03F7/00; G03F7/16; G03F7/161; Y; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1105; Y10T156/19; Y10T156/1906
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
89 words
A film peeling apparatus for peeling a film substrate; a film raising means for raising a film from a substrate; a film peeling guide member arranged substantially perpendicular to said substrate, to set the direction of peeling of said film thus raised to predetermined angle; and film peeling and conveying means for peeling and conveying said film thus raised by said film raising means, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 2
Dependent Claim
89 words
A film peeling apparatus for peeling a film substrate; a film raising means for raising a film from a substrate; a film peeling guide member arranged substantially perpendicular to said substrate, to set the direction of peeling of said film thus raised to predetermined angle; and film peeling and conveying means for peeling and conveying said film thus raised by said film raising means, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 3
Dependent Claim
102 words
a film peeling apparatus for peeling a film from a substrate, comprising: film raising means for raising a film from a substrate; a variable film peeling guide member positioned at an angle in a range from an obtuse angle with respect to the direction of conveyance of said substrate to a substantially right angle with respect thereto; and a film peeling and conveying means for peeling and conveying said film thus raised by said film raising means, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 4
Dependent Claim
102 words
a film peeling apparatus for peeling a film from a substrate, comprising: film raising means for raising a film from a substrate; a variable film peeling guide member positioned at an angle in a range from an obtuse angle with respect to the direction of conveyance of said substrate to a substantially right angle with respect thereto; and a film peeling and conveying means for peeling and conveying said film thus raised by said film raising means, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 5
Dependent Claim
51 words
A film peeling apparatus as claimed in claim 1 or 2, wherein said film peeling and conveying means comprises: a stationary belt conveyor having said film peeling guide member; and a movable belt conveyor for holding said film attached to said film peeling guide member, to peel and convey said film.
Claim 6
Dependent Claim
35 words
A film peeling apparatus as claimed in claim 1 or 2, wherein said film peeling guide member is so arranged that there is a small gap between said film peeling guide member and said substrate.
Claim 7
Dependent Claim
31 words
A film peeling apparatus as claimed in claim 1 or 2, wherein the end portion of said film peeling guide member is arcuate in section, having a small radius of curvature.
Claim 8
Dependent Claim
19 words
A film peeling apparatus as claimed in claim 1 or 2, wherein said film guide member is angularly movable.
Claim 9
Dependent Claim
19 words
A film peeling apparatus as claimed in claim 1 or 2, wherein said film guide member is linearly movable.
Claim 10
Dependent Claim
123 words
A film peeling method of peeling a film from a substrate comprising the steps of: positioning film peeling guide members, adapted to set a direction of peeling of said film, close to said substrate; peeling off a part of said film and sticking said part onto said film peeling guide members thus positioned close to said substrate; supporting said film stuck onto said film peeling guide members; moving said film peeling guide members away from said substrate; and conveying said substrate while peeling off said film with said film peeling guide members thus moved away from said substrate, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 11
Dependent Claim
123 words
A film peeling method of peeling a film from a substrate comprising the steps of: positioning film peeling guide members, adapted to set a direction of peeling of said film, close to said substrate; peeling off a part of said film and sticking said part onto said film peeling guide members thus positioned close to said substrate; supporting said film stuck onto said film peeling guide members; moving said film peeling guide members away from said substrate; and conveying said substrate while peeling off said film with said film peeling guide members thus moved away from said substrate, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 12
Dependent Claim
114 words
A film peeling apparatus for peeling a film from a substrate comprising: film peeling guide members for setting direction of peeling of said film; peeling means for peeling off a part of said film and sticking said part onto said film peeling guide members; film conveying means for supporting said film stuck onto said film peeling guide members and removing said film out of said apparatue; and guide member moving means for causing said film peeling guide members to approach said substrate and to move away from said substrate, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 13
Dependent Claim
114 words
A film peeling apparatus for peeling a film from a substrate comprising: film peeling guide members for setting direction of peeling of said film; peeling means for peeling off a part of said film and sticking said part onto said film peeling guide members; film conveying means for supporting said film stuck onto said film peeling guide members and removing said film out of said apparatue; and guide member moving means for causing said film peeling guide members to approach said substrate and to move away from said substrate, wherein at the beginning of peeling said film, said substrate is conveyed at a speed greater than the speed at which said film is conveyed.
Claim 14
Dependent Claim
24 words
An apparatus as claimed in claim 4, in which said peeling means comprises a peeling mechanism for peeling said film with an adhesive member.
Claim 15
Dependent Claim
115 words
A film peeling method for peeling a film from a substrate comprising the steps of: lifting a portion of said film from said substrate with a film lifting means; moving said film lifting means to position said portion of said film along a film peeling guide member; conveying said substrate at a first speed; peeling said film in a direction determined by said film peeling guide member wherein the position of said film peeling guide member can be angularly changed, said film initially being peeled at a second speed slower than said first speed, and thereafter at said first speed; and removing said film lifting means from said film before said film is peeled away.
Claim 16
Dependent Claim
115 words
A film peeling method for peeling a film from a substrate comprising the steps of: lifting a portion of said film from said substrate with a film lifting means; moving said film lifting means to position said portion of said film along a film peeling guide member; conveying said substrate at a first speed; peeling said film in a direction determined by said film peeling guide member wherein the position of said film peeling guide member can be angularly changed, said film initially being peeled at a second speed slower than said first speed, and thereafter at said first speed; and removing said film lifting means from said film before said film is peeled away.
Claim 17
Dependent Claim
112 words
A film peeling method for peeling a film from a substrate comprising the steps of: lifting a portion of said film from said substrate with a film lifting means; moving said film lifting means to position said film along a film peeling guide member; conveying said substrate at a first speed; peeling said film in a direction determined by said film peeling guide member wherein the position of said film peeling guide member can be linearly changed, said film initially being peeled at a second speed slower than said first speed, and thereafter at said first speed; and removing said film lifting means from said film before said film is peeled away.
Claim 18
Dependent Claim
112 words
A film peeling method for peeling a film from a substrate comprising the steps of: lifting a portion of said film from said substrate with a film lifting means; moving said film lifting means to position said film along a film peeling guide member; conveying said substrate at a first speed; peeling said film in a direction determined by said film peeling guide member wherein the position of said film peeling guide member can be linearly changed, said film initially being peeled at a second speed slower than said first speed, and thereafter at said first speed; and removing said film lifting means from said film before said film is peeled away.
Claim 19
Dependent Claim
102 words
A film peeling method for peeling a film from a substrate comprising the steps of: lifting a portion of said film from said substrate with a film lifting means; moving said film lifting means to position said portion of said film along a film peeling guide member; conveying said substrate at a first speed; peeling said film in a direction determined by said film peeling guide member, said film initially being peel at a second speed slower than said first speed, and thereafter at said first speed; and removing said film lifting means from said film before said film is peeled away.
Claim 20
Dependent Claim
102 words
A film peeling method for peeling a film from a substrate comprising the steps of: lifting a portion of said film from said substrate with a film lifting means; moving said film lifting means to position said portion of said film along a film peeling guide member; conveying said substrate at a first speed; peeling said film in a direction determined by said film peeling guide member, said film initially being peel at a second speed slower than said first speed, and thereafter at said first speed; and removing said film lifting means from said film before said film is peeled away.
Claim 21
Dependent Claim
42 words
A film peeling method for peeling a film from a substrate as claimed in claim 13, wherein the position of said film peeling guide member is set substantially at a right angle with respect to the direction of conveyance of said substrate.
Claim 22
Dependent Claim
42 words
A film peeling method for peeling a film from a substrate as claimed in claim 12, wherein the position of said film peeling guide member is set substantially at a right angle with respect to the direction of conveyance of said substrate.
Claim 23
Dependent Claim
40 words
A film peeling method for peeling a film from a substrate as claimed in claim 13, wherein the step of peeling said film comprises supporting said film along said film peeling guide member with a film peeling and conveying member.
Claim 24
Dependent Claim
52 words
A film peeling method for peeling a film from a substrate as claimed in claim 16, wherein said film peeling and conveying member comprises a stationary belt conveyor having said film peeling guide member; and a movable belt conveyor for engaging said portion of said film at said film peeling guide member.
References Cited (Backward Citations)
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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) | 1992-11-13 | 1993-05-15 | 1993-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-13 | 1997-05-15 | 1997-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-13 | 2001-05-15 | 2001-11-14 | $7700.00 | Window Closed / Lapsed |