Lance for heating or ceramic welding
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United States of America Patent
Stats
-
Feb 13, 2001
Grant Date -
N/A
app pub date -
Oct 12, 1999
filing date -
Apr 11, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and process for one of flame treatment or ceramic welding, the apparatus including a single tubular lance having a tip end, a butt end, and a head portion with a central main bore provided at the tip end so that ceramic welding materials comprised of particulate material containing oxidizable particles and combustion-supporting carrier gas are introduced at the butt end, pass through the main bore and emerge at the tip end during ceramic welding; wherein the head portion further comprises at least one conduit to convey a mixture of a fuel gas and a combustion-supporting gas, each of the at least one conduit having an orifice at the tip end of the single tubular lance and being provided with a portion for introduction of fuel gas and a portion for introduction of combustion-supporting gas so that fuel gas and combustion-supporting gas introduced at the butt end combine in the at least one conduit and emerge to form a flame at the tip end of the at least one conduit during flame treatment, and wherein the head portion is formed in two parts including an inner block including the central main bore, the conduits for fuel gas and combustion-supporting gas, and respective outlet orifices of the central main bore and at least one conduit, and an outer block including supply passageways to the inner block from respective supply tubes for particulate material and combustion-supporting carrier gas and for fuel gas and combustion-supporting gas.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
GLAVERBEL | BRUSSELS BELGIUM |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Mercier, Robert | Gosselies, BE | 21 | 48 |
Meynckens, Jean-Pierre | Villers-Perwin, BE | 11 | 44 |
Robert, Jean-Pierre | Villers-Perwin, BE | 4 | 17 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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