specific supplier for a glass lighting device which needs flame melting during manufacturing of sealing the bulb envelope the inner components which are sensitive to heat shall be moved away from the

One specific supplier that specializes in glass lighting devices with flame melting during manufacturing is Schott AG. Schott offers a range of glass products for various applications, including lighting. They have expertise in glass-to-metal sealing technology, which involves flame melting to create a hermetic seal between the glass envelope and metal components.

Schott's glass lighting devices are designed in a way that allows the sensitive inner components to be moved away from the heating point during the sealing process. Once the flame melting procedure is completed, these components can move back into their original positions.

Schott AG is a well-known and reputable supplier in the glass industry, providing high-quality products that meet the specific requirements of lighting device manufacturers. They have a global presence and can be contacted directly for more information and assistance with sourcing their glass lighting devices