US4608807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for wrapping a rotating bale of a backed mineral fiber strip with a protective strip that is applied during winding of the bale, for packaging
Assignee: Saint Gobain Isover SA France
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Filing: 1984-04-20
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Granted: 1986-09-02
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Expires: 2004-04-20
Abstract
Abstract A process for wrapping a rotating bale of mineral fiber strip in the form of a felt-roll with an outer closed-face backing strip with protective wrapping applied as part of the winding process for packaging which entails bringing the protective wrapping, having a coating of adhesive material at the back end thereof into the circumferential area of the rotating bale with the front end thereof, with a length exceeding the circumference of the bale and being frictionally connected to the bale; and turning the bale and pressing the back end of the protective wrapping onto the outside of the winding of the protective wrapping, therebelow, to attain a lasting bonding, wherein the frictional sticking connection between the front end of the protective wrapping and the bale is produced exclusively by an adhesive effect, between the inner surface facing the bale and the bare outer surface of the backing strip, and the front end of the protective wrapping is placed on the bale at a distance from the outside end of the last winding of the felt roll, and wherein the length of the protective wrapping exceeds the circumference of the enclosed bale substantially only by the circumferential width of the bonding zone between the back end of the protective wrapping and the outside of the winding of the protective wrapping lying thereunder.
Inventors
- 👤 Werner Skripalle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:24
CPC Classifications
B; B65; B65B; B65B63/00; B65B63/04
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
251 words
A process for wrapping a rotating bale of backed mineral fiber strip in the form of a felt-roll with an outer closed-face backing strip with protective wrapping applied as part of the winding process for packaging which comprises: (a) bringing the protective wrapping, having a coating of adhesive material at the back end thereof, into the circumferential area of the rotating bale with the front end thereof, with a length exceeding the circumference of the bale and being frictionally connected to the bale; wherein the frictional sticking connection between the front end of the protective wrapping and the bale is produced exclusively by an adhesion effect caused by the presence of a volatile liquid forming a substantially continuous film deposited between the inner surface facing the bale and the bare outer surface of the backing strip, allowing the volatile liquid to evaporate to eliminate the initial adhesion effect; and (b) turning the bale and pressing the back end of the protective wrapping onto the outside of the winding of the protective wrapping, therebelow, to attain a lasting bonding, wherein the front end of the protective wrapping is placed on the bale at a distance from the outside end of the last winding of the felt roll, and wherein the length of the protective wrapping exceeds the circumference of the enclosed bale substantially only by the circumferential width of the bonding zone between the back end of the protective wrapping and the outside of the winding of the protective wrapping lying thereunder.
Claim 2
Dependent Claim
251 words
A process for wrapping a rotating bale of backed mineral fiber strip in the form of a felt-roll with an outer closed-face backing strip with protective wrapping applied as part of the winding process for packaging which comprises: (a) bringing the protective wrapping, having a coating of adhesive material at the back end thereof, into the circumferential area of the rotating bale with the front end thereof, with a length exceeding the circumference of the bale and being frictionally connected to the bale; wherein the frictional sticking connection between the front end of the protective wrapping and the bale is produced exclusively by an adhesion effect caused by the presence of a volatile liquid forming a substantially continuous film deposited between the inner surface facing the bale and the bare outer surface of the backing strip, allowing the volatile liquid to evaporate to eliminate the initial adhesion effect; and (b) turning the bale and pressing the back end of the protective wrapping onto the outside of the winding of the protective wrapping, therebelow, to attain a lasting bonding, wherein the front end of the protective wrapping is placed on the bale at a distance from the outside end of the last winding of the felt roll, and wherein the length of the protective wrapping exceeds the circumference of the enclosed bale substantially only by the circumferential width of the bonding zone between the back end of the protective wrapping and the outside of the winding of the protective wrapping lying thereunder.
Claim 3
Dependent Claim
34 words
The process as in claim 1, wherein the front end of said protective wrapping is placed on the bale at a distance behind the outside end of the last winding of the felt roll.
Claim 4
Dependent Claim
26 words
The process of claim 1, wherein said film forming liquid is applied to the bare outer surface of the backing strip to attain said adhesive effect.
Claim 5
Dependent Claim
21 words
The process as in claim 3, wherein a volatile liquid substantially free from residue is used as the film forming liquid.
Claim 6
Dependent Claim
25 words
The process as in claim 4, wherein said volatile liquid substantially free from residue is selected from the group consisting of volatile alcohols and ethers.
Claim 7
Dependent Claim
20 words
The process as in claim 3, wherein water having a low surface tension is used as the film forming liquid.
Claim 8
Dependent Claim
15 words
The process as in claim 3, wherein said film forming liquid is a liquid hydrocarbon.
Claim 9
Dependent Claim
52 words
The process as in claim 1, wherein said film forming liquid is applied only to the inner surface of the front end of the protective wrapping to attain said adhesive effect between the inner surface of the front end of the protective wrapping and the bare outer surface of the backing strip.
Claim 10
Dependent Claim
16 words
The process of claim 1, wherein said backing strip is comprised of a layer of aluminum.
References Cited (Backward Citations)
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Cited
US3273301A
Cited
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Cited
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Cited
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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) | 1989-09-01 | 1990-03-03 | 1990-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-01 | 1994-03-03 | 1994-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-01 | 1998-03-03 | 1998-09-02 | $7700.00 | Window Closed / Lapsed |