Abstract: Composite safety coating and fluorescent lamp which lamp upon being energized causes the intermediate portion of the glass envelope to be heated to a relatively low temperature and causes the end portions of the glass envelope adjacent the end caps to be heated to a relatively high temperature, the composite safety coating includes a first substantially light transparent coating nondegradeable to the relatively low temperature surrounding and secured to the entire glass envelope and portions of the end caps, and second and third substantially light transparent coatings nondegradeable to the relatively high temperature surrounding the portions of the first coating surrounding the portions of the glass envelope heated to the relatively high temperature and portions of the end caps, the second and third coatings preventing degradation of the portions of the first coating surrounding the portions of the glass envelope heated to the relatively high temperature; and manufacturing process therefor.

Abstract: A lamp for providing illumination to ultraviolet light-sensitive materials and including a coating for providing the lamp envelope with a safety coating for containing debris produced upon the lamp envelope being broken and for substantially absorbing the ultraviolet light.

Abstract: An insect attraction lamp including a lamp for transmitting black light perceptible to insects as an attractant, and a coating providing the lamp with a safety coating for containing debris produced upon the lamp being broken and for allowing transmission of the black light therethrough.

Abstract: A fluorescent lamp including a glass envelope having first and second end caps at the opposite ends thereof and each end cap provided with a connecting pin, the glass envelope containing energization means for generating light emanating from the lamp and upon energization thereof a first portion of the glass envelope adjacent the first end cap and a second portion of the glass envelope adjacent the second end cap being heated to a first temperature and an intermediate glass portion intermediate the first and second glass portions being heated to a second temperature lower than the first temperature, and a composite safety coating including first and second substantially light transparent coatings and an intermediate substantially light transparent coating intermediate the first and second coatings, the first coating surrounding and secured to the first glass portion and including an outer end portion surrounding and secured to a portion of the first end cap not including the first connecting pin and including

Abstract: Methods of and apparatus for coating the glass envelope and predetermined portions of the end caps of a fluorescent lamp with a coating of polymeric material including securing the end caps against displacement, subsequently, preheating the glass envelope and the predetermined portion of the end caps to a first predetermined temperature above the melting point of the polymeric material for a predetermined amount of time; subsequently, masking the electrical connecting pins and all of the end caps except the predetermined portion thereof; subsequently, exposing the glass envelope and the predetermined portion of the end caps to a fluidized bed of powder of the polymeric material for a predetermined amount of time to apply a coating of the powder to the glass envelope and to the predetermined portion of the end caps; subsequently, reheating the glass envelope and the predetermined portion of the end caps to a predetermined temperature above the melting point of the polymeric material and for a predetermined amo

Abstract: Methods of and apparatus for coating the glass envelope and predetermined portions of the end caps of a fluorescent lamp with a coating of polymeric material including securing the end caps against displacement, subsequently, preheating the glass envelope and the predetermined portion of the end caps to a first predetermined temperature above the melting point of the polymeric material for a predetermined amount of time; subsequently, masking the electrical connecting pins and all of the end caps except the predetermined portion thereof; subsequently, exposing the glass envelope and the predetermined portion of the end caps to a fluidized bed of powder of the polymeric material for a predetermined amount of time to apply a coating of the powder to the glass envelope and to the predetermined portion of the end caps; subsequently, reheating the glass envelope and the predetermined portion of the end caps to a predetermined temperature above the melting point of the polymeric material and for a predetermined amo

Abstract: Methods of and apparatus for coating the glass envelope and predetermined portions of the end caps of a fluorescent lamp with a coating of polymeric material including securing the end caps against displacement, subsequently, preheating the glass envelope and the predetermined portion of the end caps to a first predetermined temperature above the melting point of the polymeric material for a predetermined amount of time; subsequently, masking the electrical connecting pins and all of the end caps except the predetermined portion thereof; subsequently, exposing the glass envelope and the predetermined portion of the end caps to a fluidized bed of powder of the polymeric material for a predetermined amount of time to apply a coating of the powder to the glass envelope and to the predetermined portion of the end caps; subsequently, reheating the glass envelope and the predetermined portion of the end caps to a predetermined temperature above the melting point of the polymeric material and for a predetermined amo