Method for filling a lamp with gas and a lamp filled with gas
OwnerJohannes Meeuwseninventor
Life of this patent
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Abstract
A method for filling a lamp with gas and/or other substances. The lamp comprises an envelope (1) of quartz glass having at least one tubular neck portion (3,4). A member (5,6) comprising electric conductor means (7,8,9) is inserted and sealed in said tubular neck portion (3,4). During the sealing operation an opening (10) is maintained between the outer surface of said member (6) and the inner surface of said tubular neck portion (4) to connect the internal space of said envelope (1) with the outside. The opening (10) is closed after the envelope (1) is filled with gas and/or other substances through said opening (10).
Claims11
A method for filling a lamp with gas and/or other substances, the lamp comprising an envelope (1) of quartz glass having at least one tubular neck portion (3,4), whereby a member (5,6) comprising electric conductor means (7,8,9) is inserted and sealed in said tubular neck portion (3,4), characterized in that during the sealing operation an opening (10) is maintained between the outer surface of said member (6) and the inner surface of said tubular neck portion (4) to connect the internal space of said envelope (1) with the outside, and in that said opening (10) is closed after the envelope (1) is filled with gas and/or other substances through said opening (10).
A lamp filled with gas and/or other substances, the lamp comprising an envelope (1) of quartz glass having at least one tubular neck portion (3,4), whereby a member comprising electric conductor means (7,8,9) has been inserted and sealed in said tubular neck portion (3,4), characterized in that during the sealing operation an opening (10) has been maintained between the outer surface of said member (6) and the inner surface of said tubular neck portion (4) to connect the internal space of said envelope (1) with the outside, and in that said opening (10) has been closed after the envelope (1) has been filled with gas and/or other substances through said opening (10).
Dependencies are inferred from the claim text.