Press-moulding glass

CCHEMISTRY METALLURGY C03Glass mineral C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2215/00Press-moulding glass

C03B2215/02Press-mould materials C03B2215/03defined by material properties or parameters C03B2215/05Press-mould die materials C03B2215/06Metals or alloys C03B2215/07Ceramic or cermets C03B2215/08Coated press-mould dies C03B2215/10Die base materials C03B2215/11Metals C03B2215/12Ceramics or cermets C03B2215/14Die top coat materials C03B2215/16Metals or alloys C03B2215/17comprising one or more of the noble meals C03B2215/20Oxide ceramics C03B2215/22Non-oxide ceramics C03B2215/24Carbon C03B2215/26Mixtures of materials covered by more than one of the groups C03B2215/16 - C03B2215/24 C03B2215/30Intermediate layers C03B2215/31Two or more distinct intermediate layers or zones C03B2215/32of metallic or silicon material C03B2215/34of ceramic or cermet material C03B2215/38Mixed or graded material layers or zones C03B2215/40Product characteristics C03B2215/404Products with identification marks C03B2215/406Products comprising at least two different glasses C03B2215/41Profiled surfaces C03B2215/412fine structured C03B2215/413optical fibre alignment, fixing or connecting members having V-grooves C03B2215/414Arrays of products C03B2215/44Flat, parallel-faced disc or plate products C03B2215/45Ring or doughnut disc products or their preforms C03B2215/46Lenses C03B2215/47Bi-concave C03B2215/48Convex-concave C03B2215/49Complex forms not covered by groups C03B2215/47 or C03B2215/48 C03B2215/50Structural details of the press-mould assembly C03B2215/60Aligning press die axes C03B2215/61Positioning the glass to be pressed with respect to the press dies or press axis C03B2215/62Vibration-assisted pressing C03B2215/63Pressing between porous dies supplied with gas C03B2215/64Spinning, centrifuging or using g-force to distribute the glass C03B2215/65Means for releasing gas trapped between glass and press die C03B2215/66Means for providing special atmospheres C03B2215/67Pressing between dies rotating about the press axis C03B2215/68Means for parting the die from the pressed glass other than by cooling or use of a take-out C03B2215/69Controlling the pressure applied to the glass via the dies C03B2215/70Horizontal or inclined press axis C03B2215/71Injecting molten glass into the mould cavity C03B2215/72Barrel presses or equivalent C03B2215/73with means to allow glass overflow in a direction perpendicular to the press axis C03B2215/74with means to trim off excess material C03B2215/76Pressing whereby some glass overflows unrestrained beyond the press mould in a direction perpendicular to the press axis C03B2215/77with means to trim off excess material C03B2215/78Pressing together along two or more perpendicular axes C03B2215/79Uniting product and product holder during pressing C03B2215/80Simultaneous pressing of multiple products Multiple parallel moulds C03B2215/86Linear series of multiple press moulds C03B2215/87with change of transportation direction in the horizontal plane