US5082160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for ultrasonic seam welding stainless steel foils
Assignee: Gas Technology Institute
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Filing: 1990-01-10
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Granted: 1992-01-21
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Expires: 2010-01-10
Abstract
Abstract An ultrasonic seam welding apparatus having a head which is rotated to form contact, preferably rolling contact, between a metallurgically inert coated surface of the head and an outside foil of a plurality of layered foils or work materials. The head is vibrated at an ultrasonic frequency, preferably along a longitudinal axis of the head. The head is constructed to transmit vibration through a contacting surface of the head into each of the layered foils. The contacting surface of the head is preferably coated with aluminum oxide to prevent the head from becoming welded to layered stainless steel foils.
Inventors
- 👤 Richard W. Leigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:43
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/10; B23K20/103
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
101 words
In an ultrasonic seam welding apparatus having a head, head displacement means for rotating the head and forming contact between a contacting surface of the head and an outside foil of a plurality of layered foils, vibration means for vibrating the head at an ultrasonic frequency, the head constructed to transmit vibration through the contacting surface of the head into each of the layered foils, the improvement comprising: said head being constructed of a ferrous material; and a metallurgically inert coating fixedly surrounding the contacting surface of the head so as to prevent contact between said head and said outside foil.
Claim 2
Dependent Claim
101 words
In an ultrasonic seam welding apparatus having a head, head displacement means for rotating the head and forming contact between a contacting surface of the head and an outside foil of a plurality of layered foils, vibration means for vibrating the head at an ultrasonic frequency, the head constructed to transmit vibration through the contacting surface of the head into each of the layered foils, the improvement comprising: said head being constructed of a ferrous material; and a metallurgically inert coating fixedly surrounding the contacting surface of the head so as to prevent contact between said head and said outside foil.
Claim 3
Dependent Claim
18 words
In an ultrasonic seam welding apparatus according to claim 1 wherein said metallurgically inert coating is aluminum oxide.
Claim 4
Dependent Claim
23 words
In an ultrasonic seam welding apparatus according to claim 1 wherein only said metallurgically inert coating of the head contacts the outside foil.
Claim 5
Dependent Claim
30 words
In an ultrasonic seam welding apparatus according to claim 1 wherein the head comprises a disc and the contacting surface of the head is a peripheral surface of the disc.
Claim 6
Dependent Claim
30 words
In an ultrasonic seam welding apparatus according to claim 1 wherein the head comprises a disc and the contact surface of the head is a peripheral surface of said disc.
Claim 7
Dependent Claim
25 words
In an ultrasonic seam welding apparatus according to claim 5 wherein said disc vibrates at the ultrasonic frequency along a longitudinal axis of said disc.
Claim 8
Dependent Claim
27 words
In an ultrasonic seal welding apparatus according to claim 1 wherein the foils are at least one of a stainless steel material and a carbon steel material.
Claim 9
Dependent Claim
94 words
An ultrasonic seam welding apparatus comprising: a head constructed of a ferrous material, head displacement means for rotating the head and forming contact between a contacting surface of the head and an outside foil of a plurality of layered foils; vibration means for vibrating the head at an ultrasonic frequency, the head constructed to transmit vibration through the contacting surface of the head into each of the layered foils; and a metallurgically inert coating fixedly surrounding the contacting surface of the head so as to prevent contact between said ferrous head and said foil.
Claim 10
Dependent Claim
94 words
An ultrasonic seam welding apparatus comprising: a head constructed of a ferrous material, head displacement means for rotating the head and forming contact between a contacting surface of the head and an outside foil of a plurality of layered foils; vibration means for vibrating the head at an ultrasonic frequency, the head constructed to transmit vibration through the contacting surface of the head into each of the layered foils; and a metallurgically inert coating fixedly surrounding the contacting surface of the head so as to prevent contact between said ferrous head and said foil.
Claim 11
Dependent Claim
27 words
In an ultrasonic seam welding apparatus according to claim 1 wherein said foils are at least one of a stainless steel material and a carbon steel material.
Claim 12
Dependent Claim
18 words
In an ultrasonic seam welding apparatus according to claim 8 wherein said metallurgically inert coating is aluminum oxide.
Claim 13
Dependent Claim
22 words
An ultrasonic seam welding apparatus according to claim 8 wherein only said metallurgically inert coating of said head contacts said outside foil.
Claim 14
Dependent Claim
29 words
An ultrasonic seam welding apparatus according to claim 8 wherein said head comprises a disc and said contacting surface of said head is a peripheral surface of said disc.
Claim 15
Dependent Claim
29 words
An ultrasonic seam welding apparatus according to claim 8 wherein said head comprises a disc and said contacting surface of said head is a peripheral surface of said disc.
Claim 16
Dependent Claim
24 words
An ultrasonic seam welding apparatus according to claim 13 wherein said disc vibrates at said ultrasonic frequency along a longitudinal axis of said disc.
Claim 17
Dependent Claim
86 words
In a process for ultrasonic seam welding of ferrous foils in which a head is rotated and forms contact between a contacting surface of the head and an outside foil of a plurality of layered foils, the head is vibrated at an ultrasonic frequency, and the head transmits vibration through the contacting surface of the head into each of the layered foils, the improvement comprising: continuously positioning a metallurgically inert coating between the contacting surface of the head of a ferrous material and the outside foil.
Claim 18
Dependent Claim
86 words
In a process for ultrasonic seam welding of ferrous foils in which a head is rotated and forms contact between a contacting surface of the head and an outside foil of a plurality of layered foils, the head is vibrated at an ultrasonic frequency, and the head transmits vibration through the contacting surface of the head into each of the layered foils, the improvement comprising: continuously positioning a metallurgically inert coating between the contacting surface of the head of a ferrous material and the outside foil.
Claim 19
Dependent Claim
19 words
In a process for ultrasonic seam welding according to claim 15 wherein the metallurgically inert coating is aluminum oxide.
Claim 20
Dependent Claim
24 words
In a process for ultrasonic seam welding according to claim 15 wherein only the metallurgically inert coating of the head contacts the outside foil.
Claim 21
Dependent Claim
31 words
In a process for ultrasonic seam welding according to claim 15 wherein the head comprises a disc and the contacting surface of the head is a peripheral surface of the disc.
Claim 22
Dependent Claim
28 words
In a process for ultrasonic seam welding according to claim 15 wherein the foils are at least one of a stainless steel material and a carbon steel material.
Claim 23
Dependent Claim
31 words
In a process for ultrasonic seam welding according to claim 15 wherein the head comprises a disc and the contacting surface of the head is a peripheral surface of the disc.
Claim 24
Dependent Claim
26 words
In a process for ultrasonic seam welding according to claim 20 wherein the disc vibrates at the ultrasonic frequency along a longitudinal axis of the disc.
Claim 25
Dependent Claim
84 words
A process for ultrasonic seam welding of ferrous foils including the steps of: (a) rotating a head of a ferrous material and forming contact between a contacting surface of the head and an outside foil of a plurality of layered foils; (b) vibrating the head at an ultrasonic frequency; (c) transmitting vibration through the contacting surface of the head into each of the layered foils; and (d) continuously positioning a metallurgically inert coating between the contacting surface of the head and the outside foil.
Claim 26
Dependent Claim
84 words
A process for ultrasonic seam welding of ferrous foils including the steps of: (a) rotating a head of a ferrous material and forming contact between a contacting surface of the head and an outside foil of a plurality of layered foils; (b) vibrating the head at an ultrasonic frequency; (c) transmitting vibration through the contacting surface of the head into each of the layered foils; and (d) continuously positioning a metallurgically inert coating between the contacting surface of the head and the outside foil.
Claim 27
Dependent Claim
19 words
In a process for ultrasonic seam welding according to claim 22 wherein the metallurgically inert coating is aluminum oxide.
Claim 28
Dependent Claim
23 words
A process for ultrasonic seam welding according to claim 22 wherein only the metallurgically inert coating of the head contacts the outside foil.
Claim 29
Dependent Claim
30 words
A process for ultrasonic seam welding according to claim 22 wherein the head comprises a disc and the contacting surface of the head is a peripheral surface of the disc.
Claim 30
Dependent Claim
27 words
A process for ultrasonic seam welding according to claim 22 wherein the foils are at least one of a stainless steel material and a carbon steel material.
Claim 31
Dependent Claim
30 words
A process for ultrasonic seam welding according to claim 22 wherein the head comprises a disc and the contacting surface of the head is a peripheral surface of the disc.
Claim 32
Dependent Claim
25 words
A process for ultrasonic seam welding according to claim 27 wherein the disc vibrates at the ultrasonic frequency along a longitudinal axis of the disc.
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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) | 1995-01-20 | 1995-07-22 | 1996-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-20 | 1999-07-22 | 2000-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-20 | 2003-07-22 | 2004-01-21 | $7700.00 | Window Closed / Lapsed |