Re-forming shaped glass

CCHEMISTRY METALLURGY C03Glass mineral C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B23/00Re-forming shaped glass

C03B23/0006by drawing C03B23/0013by pressing C03B23/002Re-forming the rim portions C03B23/0026by gravity C03B23/0033by centrifuging C03B23/004by rolling C03B23/0046Re-forming the rim portions C03B23/0053Hand tools therefor C03B23/006by fusing C03B23/0066by bending C03B23/0073by blowing C03B23/008Vacuum-blowing C03B23/0086Heating devices specially adapted for re-forming shaped glass articles in general C03B23/0093Tools and machines specially adapted for re-forming shaped glass articles in general C03B23/02Re-forming glass sheets C03B23/023by bending C03B23/0235involving applying local or additional heating, cooling or insulating means C03B23/025by gravity C03B23/0252by gravity only C03B23/0254in a continuous way C03B23/0256Gravity bending accelerated by applying mechanical forces C03B23/0258Gravity bending involving applying local or additional heating, cooling or insulating means C03B23/027with moulds having at least two upward pivotable mould sections C03B23/03by press-bending between shaping moulds C03B23/0302between opposing full-face shaping moulds C03B23/0305Press-bending accelerated by applying mechanical forces C03B23/0307Press-bending involving applying local or additional heating, cooling or insulating means C03B23/031the glass sheets being in a vertical position C03B23/0315and supported on the lower edge C03B23/033in a continuous way C03B23/035using a gas cushion or by changing gas pressure C03B23/0352by suction or blowing out for providing the deformation force to bend the glass sheet C03B23/0355by blowing without suction directly on the glass sheet C03B23/0357by suction without blowing, e.g.with vacuum or by venturi effect C03B23/037by drawing C03B23/04Re-forming tubes or rods C03B23/043Heating devices specially adapted for re-forming tubes or rods in general C03B23/045Tools or apparatus specially adapted for re-forming tubes or rods in general C03B23/047by drawing C03B23/0473for forming constrictions C03B23/0476onto a forming die C03B23/049by pressing C03B23/0493in a longitudinal direction C03B23/0496for expanding in a radial way C03B23/051by gravity C03B23/053by centrifuging C03B23/055by rolling C03B23/057by fusing C03B23/06by bending C03B23/065in only one plane C03B23/07by blowing C03B23/073Vacuum-blowing C03B23/076Shrinking the glass tube on to a mandrel C03B23/08to exact dimensions C03B23/09Reshaping the ends C03B23/091by drawing C03B23/092by pressing C03B23/093by gravity C03B23/094by centrifuging C03B23/095by rolling C03B23/096by bending C03B23/097by blowing C03B23/098Vacuum-blowing C03B23/099by fusing C03B23/11Reshaping by drawing without blowing, in combination with separating C03B23/112Apparatus for conveying the tubes or rods in a curved path around a vertical axis through one or more forming stations C03B23/114Devices for feeding tubes or rods to these machines C03B23/116Apparatus for conveying the tubes or rods in a curved path around a horizontal axis through one or more forming stations C03B23/118Apparatus for conveying the tubes or rods in a horizontal or an inclined plane through one or more forming stations C03B23/13Reshaping combined with uniting or heat sealing C03B23/18Re-forming and sealing ampoules C03B23/20Uniting glass pieces by fusing without substantial reshaping C03B23/203Uniting glass sheets C03B23/207Uniting glass rods, glass tubes, or hollow glassware C03B23/213Joining projections or feet C03B23/217for the production of cathode ray tubes or similarly shaped tubes C03B23/22Uniting glass lenses C03B23/24Making hollow glass sheets or bricks C03B23/245Hollow glass sheets C03B23/26Punching reheated glass