Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
100 words
A moulding press for rubber and the Like, of the injection or compression type, comprising two metal jaws (4, 5; 14, 15) which enclose a portion of mouLd impression, characterized by said impression being at Least partiaLLy made of dielectric material (2, 3; 12, 13) having Low Losses for HF eLectromagnetic waves, and by a source (9, 19) of said waves being positioned at the outside of the mould and communicating with an emitter (1, 10) of the waves within said dielectric material, whereby a curable substance held within said impression reaches the curing temperature by absorption of electromagnetic waves.
Claim 2
Dependent Claim
100 words
A moulding press for rubber and the Like, of the injection or compression type, comprising two metal jaws (4, 5; 14, 15) which enclose a portion of mouLd impression, characterized by said impression being at Least partiaLLy made of dielectric material (2, 3; 12, 13) having Low Losses for HF eLectromagnetic waves, and by a source (9, 19) of said waves being positioned at the outside of the mould and communicating with an emitter (1, 10) of the waves within said dielectric material, whereby a curable substance held within said impression reaches the curing temperature by absorption of electromagnetic waves.
Claim 3
Dependent Claim
46 words
An improved press according to claim 1, characterized by said wave emitter being a metal electrode (1) forming a half mould which is insuLated from the associated jaw (5) by means of a dieLectric Layer (3) the same dielectric material forming the other haLf mould (2).
Claim 4
Dependent Claim
55 words
An improved press according to claim 1, characterized by the two metal jaws (14, 15) defining therebetween a cavity (20) enclosing two halves (12, 13) of mould in dielectric material to form therebetween the mould impression, wherein said wave emitter is a probe (10) projecting into said cavity (20) through one of said two jaws.
Claim 5
Dependent Claim
62 words
An improved press according to claim 1, characterized by said emitter (1, 10) being fed by a source (9, 19) of HF electromagnetic waves through an impedance adapter circuit (7, 17) and coaxial cable connections of which the one between adaptor (7, 17) and emitter (1, 10) comprises a coaxial shielded connector (6, 16) passing through a jaw jacket of the press.
Claim 6
Dependent Claim
16 words
An improved press according to claim 2, characterized by said source (9) being a UHF oscillator.
Claim 7
Dependent Claim
27 words
An improved press according to claim 3, characterized by said source (19) being a microwave generator, in particular a so-called "magnetron" having a frequency of 2450 MHz.
Claim 8
Dependent Claim
35 words
An improved press according to one of the preceding claims, characterized by said dielectric material with Low Losses having such thermomechanical features as to withstand compressive stresses of about 20 Kg/mm 2 at curing temperature.
Claim 9
Dependent Claim
41 words
An improved press according to claim 7, characterized by the fact that said dielectric material is chosen in a group of substances consisting of: glasses and industriaL crystal glasses (with and without mica); ceramic materials such as allumina and steatite; pyroceram.