| 摘要 |
A precharged ground coffee capsule comprising a polygonal cross-section container body (101) made of a liquid-impermeable material, said container body (101) having an open end and a large axial opening (111) formed in a bottom wall of said container body (101), two walls (401,301) made of a liquid-permeable material being arranged on said open end and at said bottom wall respectively, said liquid-impermeable material comprising a metallic material support layer and a thermoplastic material layer (201), said thermoplastic material layer (201) facing the interior of said container body (101), said permeable walls (401,301) being coupled to said container body (101) through said thermoplastic material layer (201), an outwardly projecting radial flange (121) being provided at said open end of said container body (101); a method for producing said capsule; and an apparatus for implementing said method.
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