GLASS-FORMING MACHINE PLUNGER SUPPORT Russian patent published in 2012 - IPC C03B9/36 

FIELD: process engineering.

SUBSTANCE: invention relates to press-and-blow machine plunger drive support. Plunger support to be mounted on glass-forming machine mounting plate comprises the following components. Reduction gear to be mounted on said plate, shaft with external thread to make threaded joint with said reduction gear and to extend therefrom, plunger support fitted on said shaft to be upped and downed by said reduction gear, and at least one telescopic devoice to feed air to plunger support. Said preassembled reduction gear comprises primary gear wheel, secondary gear wheel and central bore and internal gearing. Said outer gearing hollow shaft extends from said central bore to make revolving secondary gear lift and down said plunger support. Note here that, at least, one plunger may be arranged so that its air channels extend onto support top surface. Said support is furnished with air feed channels and cooling air feed channels as well as channels to discharge cooling air from plunger into said hollow shaft. Note also that said telescopic device comprises bed to be mounted onto bearing plate of section box and extending tubes with air feed holes to up and down the plunger and cooling air inlets and outlets communicated with those of plunger support.

EFFECT: longer life, minor rejects.

13 cl, 9 dwg