US5532431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing construction for electrical connection box and method for forming packing used therefor
Assignee: Sumitomo Wiring Systems Ltd
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Filing: 1994-05-31
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Granted: 1996-07-02
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Expires: 2014-05-31
Abstract
Abstract A sealing construction for an electrical connection box, in which a waterproof cover is mounted on a main body, including a packing which is fitted into a packing groove of the waterproof cover so as to be brought into pressing contact with a contact portion of the main body; the packing being formed by hardening liquid packing compound injected directly into the packing groove of the waterproof cover, and a method of forming the packing.
Inventors
- 👤 Yuuji Saka
- 👤 Hideki Goto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:17
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/74; B29C70/745; B29C39/00; B29C39/22; B29C39/24; H; H02; H02G; H02G15/00; H02G15/08; H02G15/10; H02G15/113; H02G3/00; H02G3/02; H02G3/08; H02G3/088; B29K; B29K2105/00; B29K2105/0058; B29L; B29L2031/00; B29L2031/26; B29L2031/265; B29L2031/712
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
92 words
A sealing construction for an electrical connection box, in which a waterproof cover is mounted on a main body, comprising: a packing which is fitted into a packing groove of the waterproof cover so as to be brought into pressing contact with a contact portion of the main body; the packing being formed by hardening liquid packing compound injected directly into a packing groove of the waterproof cover; and a width of a corner portion of the packing groove being larger than a width of the remaining portion of the packing groove.
Claim 2
Dependent Claim
92 words
A sealing construction for an electrical connection box, in which a waterproof cover is mounted on a main body, comprising: a packing which is fitted into a packing groove of the waterproof cover so as to be brought into pressing contact with a contact portion of the main body; the packing being formed by hardening liquid packing compound injected directly into a packing groove of the waterproof cover; and a width of a corner portion of the packing groove being larger than a width of the remaining portion of the packing groove.
Claim 3
Independent Claim
159 words
A method of forming a packing fitted into a packing groove of a waterproof cover of an electrical connection box in which the waterproof cover is mounted on a main body such that the packing is brought into pressing contact with a contact portion of the main body, comprising the steps of: injecting liquid packing compound directly into the packing groove of the waterproof cover from an automatic feeder travelling along the packing groove, a flow rate of the liquid packing compound discharged into the packing groove from the automatic feeder being set at a constant value and a travelling speed of the automatic feeder being lowered at a corner portion of the packing groove; and a width of the corner portion of the packing groove being larger than a width of a remaining portion of the packing groove such that the packing has an identical height at the corner portion and the remaining portion of the packing groove.
Claim 4
Independent Claim
159 words
A method of forming a packing fitted into a packing groove of a waterproof cover of an electrical connection box in which the waterproof cover is mounted on a main body such that the packing is brought into pressing contact with a contact portion of the main body, comprising the steps of: injecting liquid packing compound directly into the packing groove of the waterproof cover from an automatic feeder travelling along the packing groove, a flow rate of the liquid packing compound discharged into the packing groove from the automatic feeder being set at a constant value and a travelling speed of the automatic feeder being lowered at a corner portion of the packing groove; and a width of the corner portion of the packing groove being larger than a width of a remaining portion of the packing groove such that the packing has an identical height at the corner portion and the remaining portion of the packing groove.
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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) | 1999-07-02 | 2000-01-01 | 2000-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-02 | 2004-01-01 | 2004-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-02 | 2008-01-01 | 2008-07-02 | $7700.00 | Window Closed / Lapsed |