Glass film-resin composite
US-2021138764-A1 · May 13, 2021 · US
Glass roll
US11724901B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11724901-B2 |
| Application number | US-201716323017-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 13, 2017 |
| Priority date | Oct 17, 2016 |
| Publication date | Aug 15, 2023 |
| Grant date | Aug 15, 2023 |
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- Title
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- Abstract
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- Assignees and inventors
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- Key dates
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- First independent claim
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- CPC / IPC classifications
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- Citations and related patents
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Abstract
Official abstract text for this publication.
Provided is a glass roll ( 1 ), including: a winding core ( 2 ); a film body (F), which is taken up into a roll shape by the winding core ( 2 ), and includes a glass film ( 3 ) and a scattering prevention film ( 7 ) having a smaller width than the glass film ( 3 ); and flanges ( 8 ) which are mounted to the winding core ( 2 ), and which are arranged on both sides of the film body (F) in a width direction. The film body (F) includes a detachable displacement prevention film ( 6 ) on a termination end portion side of the glass film ( 3 ) in a take-up direction. The displacement prevention film ( 6 ) includes a wide portion ( 6 a ) having a lager width than the glass film ( 3 ).
First claim
Opening claim text (preview).
The invention claimed is: 1. A glass roll comprising: a winding core; a film body, which is taken up into a roll shape by the winding core, and comprises a glass film and a scattering prevention film having a smaller width than the glass film; and flanges, which are mounted to the winding core, and are arranged on both sides of the film body in a width direction, wherein the film body comprises a detachable displacement prevention film on a termination end portion side of the glass film in a take-up direction, wherein the detachable displacement prevention film comprises a wide portion having a larger width than the glass film, wherein the film body further comprises a lead film having a smaller width than the wide portion on the termination end portion side, and wherein the detachable displacement prevention film is attached to the lead film. 2. The glass roll according to claim 1 , wherein the detachable displacement prevention film is in a state of overlapping with the lead film, and wherein an overlapping region of the detachable displacement prevention film with the lead film is bonded to the lead film. 3. The glass roll according to claim 1 , wherein a start end portion of the detachable displacement prevention film in the take-up direction is attached to a termination end portion of the lead film in the take-up direction.
Assignees
Inventors
Classifications
- B65H18/28Primary
Wound package of webs · CPC title
on cores · CPC title
Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans {, mandrels or chucks} (packaging aspects B65D85/67) · CPC title
with two end flanges · CPC title
Forming glass sheets · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11724901B2 cover?
- Provided is a glass roll ( 1 ), including: a winding core ( 2 ); a film body (F), which is taken up into a roll shape by the winding core ( 2 ), and includes a glass film ( 3 ) and a scattering prevention film ( 7 ) having a smaller width than the glass film ( 3 ); and flanges ( 8 ) which are mounted to the winding core ( 2 ), and which are arranged on both sides of the film body (F) in a width…
- Who is the assignee on this patent?
- Nippon Electric Glass Co
- What technology area does this patent fall under?
- Primary CPC classification B65H18/28. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Aug 15 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 6 related publications on this page (citations in our corpus or others sharing the same primary CPC).