B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
B29B13/00—Conditioning or physical treatment of the material to be shaped
C—CHEMISTRY; METALLURGY
C03—GLASS; MINERAL OR SLAG WOOL
C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
C03B11/06—Construction of plunger or mould
C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
Landscapes
Engineering & Computer Science
(AREA)
Chemical & Material Sciences
(AREA)
Manufacturing & Machinery
(AREA)
Materials Engineering
(AREA)
Organic Chemistry
(AREA)
Mechanical Engineering
(AREA)
Moulds For Moulding Plastics Or The Like
(AREA)
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)