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US4337302A Expired / Lapsed US ⏱️ 0.0 years remaining

Sealing means for terminal section of sealed type storage battery

Assignee: Furukawa Battery Co Ltd
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Filing: 1981-04-07
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Granted: 1982-06-29
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Expires: 2001-04-07
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Abstract

Abstract A terminal member of a storage battery and an annular member surrounding the terminal member are bonded together hermetically through an annular bonding material member which comprises at least two annular bonding material members spaced apart from each other by at least one annular space which is formed in the middle of the depth of the through opening of the annular member in which the terminal member is inserted.

Inventors

  • 👤 Yoshihiro Takizawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:39
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/183; H01M50/186; H01M50/19; H01M50/191; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 94 words
A sealing means for sealing a metallic terminal to a metallic cover of a sealed-type storage battery, said means comprising an electrically insulating annular member surrounding said terminal, a first bonding member hermetically sealing said terminal to the inner surface of said annular member, a second bonding member hermetically sealing said cover to the outer surface of said annular member, wherein each of said first and second bonding member consists of two sections spaced from each other by at least one annular space formed in the middle of the height of said annular member.
Claim 2
Dependent Claim 94 words
A sealing means for sealing a metallic terminal to a metallic cover of a sealed-type storage battery, said means comprising an electrically insulating annular member surrounding said terminal, a first bonding member hermetically sealing said terminal to the inner surface of said annular member, a second bonding member hermetically sealing said cover to the outer surface of said annular member, wherein each of said first and second bonding member consists of two sections spaced from each other by at least one annular space formed in the middle of the height of said annular member.
Claim 3
Dependent Claim 30 words
The sealing means according to claim 1 wherein the inner peripheral surface of said annular member is provided with at least one annular groove in alignment with one annular space.

References Cited (Backward Citations)

US3421945A Cited
US3416964A Cited
US3957538A Cited
GB1506959A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-06-28 1985-12-28 1986-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-06-28 1989-12-28 1990-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-06-28 1993-12-28 1994-06-29 $7700.00 Window Closed / Lapsed

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