Expansion device for breaking solid material, use of the device and method for producing it

Expansion device (1) for breaking solid materials, wherein the expansion device (1) comprises at least one hose element (2) comprising:

• an inner expansion chamber (3) having a non-circular cross section before pressurization or having an inner pressuring means (4) and/or a reinforcement (5) arranged on the outside of the inner expansion chamber (3) which have a non-circular cross section before pressurization;
• the inner pressuring means (4) which is arranged around the inner expansion chamber;
• the reinforcement (5) which is arranged around the inner pressuring means;
• optionally an outer layer (6) arranged around the reinforcement;
• optionally at least one “directional-breaking-force amending” material portion (7) which is arranged outside the reinforcement (5) or outside the optional outer layer (6);
• and wherein
• said at least one hose element (2) comprises a coupling connection (8) on a first end (9) of the hose element (2), and optionally a second coupling connection (10) on a second end (11) of the hose element (2);
• wherein
• two “directional-breaking-force amending” means (13) are positioned on opposite sides of said at least one hose element (2), outside the reinforcement (5) or the optional outer layer (6) arranged around the reinforcement (5), which two “directional-breaking-force amending” means (13) are held against the hose element (2) by at least one tightening means (14) around the two “directional-breaking-force amending” means (13);
• and wherein
• the expansion device (1) optionally also comprises an outer pressuring means (12) which is arranged on the outside of and encapsulates said at least one hose element (2) and the two “directional-breaking-force amending” means (13), at least a portion between the coupling connection (8) on the first end (9) of the hose element (2) and the optional second coupling connection (10) on the second end (11) of the hose element (2).

Expansion device (1) for breaking solid materials, wherein the expansion device (1) comprises at least one hose element (2) comprising:

• an inner expansion chamber (3) having a non-circular cross section before pressurization or having an inner pressuring means (4) and/or a reinforcement (5) arranged on the outside of the inner expansion chamber (3) which have a non-circular cross section before pressurization;
• the inner pressuring means (4) which is arranged around the inner expansion chamber (3);
• the reinforcement (5) which is arranged around the inner pressuring means (4);
• optionally an outer layer (6) arranged around the reinforcement (5);
• optionally at least one “directional-breaking-force amending” material portion (7) which is arranged outside the reinforcement (5) or outside the optional outer layer (6);
• and wherein
• said at least one hose element (2) comprises a coupling connection (8) on a first end (9) of the hose element (2), and optionally a second coupling connection (10) on a second end (11) of the hose element (2);
• wherein
• the expansion device (1) comprises an outer pressuring means (12) which is arranged on the outside of and encapsulates said at least one hose element (2), at least a portion between the coupling connection (8) on the first end (9) of the hose element (2) and the optional second coupling connection (10) on the second end (11) of the hose element (2),
• and wherein
• the coupling connection (8) on the first end (9) of the hose element (2), and optionally the second coupling connection (10) on the second end (11) of the hose element (2), is arranged to be connected to a device (15) provided to generate at least one pulse of pressurized medium inflow.

Expansion device (1) for breaking solid materials, wherein the expansion device (1) comprises at least one hose element (2) comprising:

• an inner expansion chamber (3) having a non-circular cross section before pressurization or having an inner pressuring means (4) and/or a reinforcement (5) arranged on the outside of the inner expansion chamber (3) which have a non-circular cross section before pressurization;
• the inner pressuring means (4) which is arranged around the inner expansion chamber (3);
• the reinforcement (5) which is arranged around the inner pressuring means (4);
• optionally an outer layer (6) arranged around the reinforcement (5);
• optionally at least one “directional-breaking-force amending” material portion (7) which is arranged outside the reinforcement (5) or outside the optional outer layer (6);
• and wherein
• said at least one hose element (2) optionally comprises a coupling connection (8) on a first end (9) of the hose element (2), and is blinded on a second end (11) of the hose element (2);
• wherein
• the expansion device (1) comprises an outer pressuring means (12) which is arranged on the outside of and encapsulates said at least one hose element (2), at least a portion between the coupling connection (8) on the first end (9) of the hose element (2) and the optional second coupling connection (10) on the second end (11) of the hose element (2),
• and wherein
• the expansion device (1) is provided to expand inside of the expansion chamber (3) by means of at least one “indirectly expanding” component or mixture by means of a phase transformation of the component or mixture via change in temperature or pressure and/or by means of a chemical reaction.