Patent US5743017A successfully refreshed from Google Patents.
US5743017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for heating the blades of scissors, knives and the like
Assignee: THERACUT - HAIR-TECHNIK GmbH
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Filing: 1996-04-05
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Granted: 1998-04-28
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Expires: 2016-04-05
Abstract
Abstract A device for heating of the blades of scissors, knives and the like, with heating module comprising an electrical heating strip provided on the metallic blades, connecting conductors for providing current to the heating strip, and a cowling of a synthetic material. The heating module is capable of being fastened on the outer surface of the blade. The heating strip is in thermal conductive contact with the outer surface of the blade, extends over the length of the cutting edge of the blade, and is on its outer surface covered with a cowling of a synthetic material.
Inventors
- 👤 Walter Dreher
- 👤 Hans Kessing
- 👤 Klaus Paulat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:20
CPC Classifications
H; H05; H05B; H05B3/00; A; A45; A45D; A45D26/00; A45D26/0009; B; B26; B26B; B26B13/00; B26B13/06; B26B9/00; B26D; B26D7/00; B26D7/08; B26D7/10; H05B3/20; H05B3/34; H05B2203/00; H05B2203/013; H05B2203/03
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
231 words
A pair of scissors comprising: a first scissors part and a second scissors part pivotally connected via a connecting bolt, each of said scissors parts including a blade part and a grip part, said blade part having an outer surface and an inner surface and a longitudinal cutting edge; wherein a first heating module is secured to said blade part of said first scissors part and a second heating module is secured to said blade part of said second scissors part; a first electrical heating module and a second electrical heating module each comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to the outer surface of said blade part to which it is secured; said electrical heat strip, said electrical conductors, and said cowling forming each said heating module; wherein said first and second heating modules are secured to said first and second blade parts, respectively, in such a manner that the respective heat strip is in heat conductive contact with the respective outer surface of the blade part, extends along the length of the cutting edge of the blade part, and is covered over on its outer surface by said cowling.
Claim 2
Dependent Claim
231 words
A pair of scissors comprising: a first scissors part and a second scissors part pivotally connected via a connecting bolt, each of said scissors parts including a blade part and a grip part, said blade part having an outer surface and an inner surface and a longitudinal cutting edge; wherein a first heating module is secured to said blade part of said first scissors part and a second heating module is secured to said blade part of said second scissors part; a first electrical heating module and a second electrical heating module each comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to the outer surface of said blade part to which it is secured; said electrical heat strip, said electrical conductors, and said cowling forming each said heating module; wherein said first and second heating modules are secured to said first and second blade parts, respectively, in such a manner that the respective heat strip is in heat conductive contact with the respective outer surface of the blade part, extends along the length of the cutting edge of the blade part, and is covered over on its outer surface by said cowling.
Claim 3
Dependent Claim
65 words
A pair of scissors as in claim 1, wherein said connecting bolt connecting said first and said second scissors parts is provided with a coaxial bore hole, and wherein the conductors of the heat strip of the blade part of the second scissors part are insulated and guided through the coaxial bore hole of the connecting bolt of the scissors to the first scissors part.
Claim 4
Independent Claim
179 words
A device for cutting with heat, said device including at least one heating module, said device for cutting comprising: a blade part and a grip part, said blade part having an outer surface and an inner surface and a longitudinal cutting edge; said heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to the outer surface of said blade part; said electrical heat strip, said electrical conductors, and said cowling forming said heating module; wherein said heating module is secured to said blade part in such a manner that the heat strip is in heat conductive contact with the outer surface of the blade part, extends along the length of the cutting edge of the blade part, and is covered over on its outer surface by said cowling, and wherein said heat strip is provided with a temperature sensor.
Claim 5
Independent Claim
179 words
A device for cutting with heat, said device including at least one heating module, said device for cutting comprising: a blade part and a grip part, said blade part having an outer surface and an inner surface and a longitudinal cutting edge; said heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to the outer surface of said blade part; said electrical heat strip, said electrical conductors, and said cowling forming said heating module; wherein said heating module is secured to said blade part in such a manner that the heat strip is in heat conductive contact with the outer surface of the blade part, extends along the length of the cutting edge of the blade part, and is covered over on its outer surface by said cowling, and wherein said heat strip is provided with a temperature sensor.
Claim 6
Dependent Claim
21 words
A cutting device according to claim 3, wherein said temperature sensor is provided in the central area of the heat strip.
Claim 7
Dependent Claim
61 words
A cutting device according to claim 3, wherein said heat strip has a first longitudinal edge and a second longitudinal edge, and is adapted for being provided on the outer surface of said blade part with one of its longitudinal edges bordering on said longitudinal cutting edge of said blade part, and extending up to the tip of the blade part.
Claim 8
Dependent Claim
21 words
A cutting device according claim 3, wherein the heat strip adapted for being lodged between said blade part and said cowling.
Claim 9
Dependent Claim
23 words
A cutting device according to claim 3, further including means for releasably mounting said cowling and said heat strip on said blade part.
Claim 10
Dependent Claim
44 words
A cutting device according to claim 3, wherein said cowling is shaped to conform to the outer surface of said blade part, including a back side of the blade part which lies on the side of the blade part opposite to the cutting edge.
Claim 11
Dependent Claim
17 words
A cutting device according to claim 3, wherein the electrical conductors are guided along the grip part.
Claim 12
Dependent Claim
161 words
An electrical heating module for heating a blade of a cutting implement, said blade having an outer surface and including a longitudinal cutting edge, said electrical heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to said outer surface of said blade; said electrical heat strip, said electrical conductors, and said cowling forming said heating module, wherein said heating module is designed for being secured to said blade in such a manner, that the heat strip is in heat conductive contact with the outer surface of the blade, extends along the length of the cutting edge of the blade, and is covered over on its outer surface by said cowling; and wherein said heat strip is provided with a temperature sensor.
Claim 13
Dependent Claim
161 words
An electrical heating module for heating a blade of a cutting implement, said blade having an outer surface and including a longitudinal cutting edge, said electrical heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to said outer surface of said blade; said electrical heat strip, said electrical conductors, and said cowling forming said heating module, wherein said heating module is designed for being secured to said blade in such a manner, that the heat strip is in heat conductive contact with the outer surface of the blade, extends along the length of the cutting edge of the blade, and is covered over on its outer surface by said cowling; and wherein said heat strip is provided with a temperature sensor.
Claim 14
Dependent Claim
22 words
An electrical heating module according to claim 10, wherein said temperature sensor is provided in the central area of the heat strip.
Claim 15
Dependent Claim
22 words
An electrical heating module according claim 10, wherein the heat strip is adapted for being lodged between said blade and said cowling.
Claim 16
Dependent Claim
42 words
An electrical heating module according to claim 10, wherein said cowling is shaped to conform to the outer surface of said blade, including a back side of the blade which lies on the side of the blade opposite to the cutting edge.
Claim 17
Dependent Claim
197 words
A combination cutting implement blade and electrical heating module for heating said blade, said blade having an outer surface and including a longitudinal cutting said electrical heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to said outer surface of said blade; said electrical heat strip, said electrical conductors, and said cowling forming said heating module, wherein said heating module is designed for being secured to said blade in such a manner, that the heat strip is in heat conductive contact with the outer surface of the blade, extends along the length of the cutting edge of the blade, and is covered over on its outer surface by said cowling, wherein said blade includes a grip part, and wherein the electrical conductors are guided along the grip part of the blade, wherein the conductors secured to the grip part are thereby covered and secured via a tension relieving part adapted for being secured to the grip part.
Claim 18
Dependent Claim
197 words
A combination cutting implement blade and electrical heating module for heating said blade, said blade having an outer surface and including a longitudinal cutting said electrical heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to said outer surface of said blade; said electrical heat strip, said electrical conductors, and said cowling forming said heating module, wherein said heating module is designed for being secured to said blade in such a manner, that the heat strip is in heat conductive contact with the outer surface of the blade, extends along the length of the cutting edge of the blade, and is covered over on its outer surface by said cowling, wherein said blade includes a grip part, and wherein the electrical conductors are guided along the grip part of the blade, wherein the conductors secured to the grip part are thereby covered and secured via a tension relieving part adapted for being secured to the grip part.
Claim 19
Dependent Claim
205 words
A combination cutting implement and electrical heating module for heating said implement said implement having an outer surface and including a longitudinal cutting edge, said electrical heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to said outer surface of said implement; said electrical heat strip, said electrical conductors, and said cowling forming said heating module, wherein said heating module is designed for being secured to said implement in such a manner, that the heat strip is in heat conductive contact with the outer surface of the implement extends along the length of the cutting edge of the implement, and is covered over on its outer surface by said cowling, wherein said implement includes a grip part, and wherein the electrical conductors are guided along the grip part of the implement, and wherein said cutting implement is a pair of scissors having two blade parts, and wherein a heating module is capable of being fastened to each of the two blade parts of the scissors.
Claim 20
Dependent Claim
205 words
A combination cutting implement and electrical heating module for heating said implement said implement having an outer surface and including a longitudinal cutting edge, said electrical heating module comprising: an electrical heat strip having an inner surface and an outer surface; electrical conductors coupled to said heat strip for delivering current to said heat strip; and a cowling of a synthetic material provided on said outer surface of said heat strip and contoured to conform to said outer surface of said implement; said electrical heat strip, said electrical conductors, and said cowling forming said heating module, wherein said heating module is designed for being secured to said implement in such a manner, that the heat strip is in heat conductive contact with the outer surface of the implement extends along the length of the cutting edge of the implement, and is covered over on its outer surface by said cowling, wherein said implement includes a grip part, and wherein the electrical conductors are guided along the grip part of the implement, and wherein said cutting implement is a pair of scissors having two blade parts, and wherein a heating module is capable of being fastened to each of the two blade parts of the scissors.
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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) | 2001-04-27 | 2001-10-27 | 2002-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-04-27 | 2005-10-27 | 2006-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-04-27 | 2009-10-27 | 2010-04-28 | $7700.00 | Window Closed / Lapsed |