B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 1/26 (2006.01) B28B 7/46 (2006.01) D03D 1/00 (2006.01) D03D 15/00 (2006.01)
Patent
CA 2161677
A filter for use in a concrete press mould (10), the filter (19) comprising a fabric being knit or woven at least in part from heat meltable yarns and having a fabric density which permits the passage of water therethrough but prohibits the passage of particulate material (17), the filter being bounded around its periphery with at least one continuous imperforate band (32) integrally formed with the fabric by fusion of said heat meltable yarns.
Un filtre (19) s'utilisant dans un moule à béton (10) comprend un tissu tricoté ou tissé, au moins en partie, à partir de fils fusibles à la chaleur et possède une densité de tissu permettant que l'eau le traverse, mais empêchant le passage de matières particulaires (17). Le filtre est relié sur sa périphérique à au moins une bande non perforée continue (32) faisant partie intégrante du tissu grâce à la fusion des fils fusibles à la chaleur.
Eco Filters Limited
Green Barrie Edward
Smart & Biggar
LandOfFree
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