Autoclavable, corrugated, respiratory care tubing
AssigneeMinnesota Mining and Manufacturing Company
InventorGale Wendell Matson
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Abstract
Autoclavable, corrugated, respiratory care tubing comprising thermoplastic material which is aliphatic olefin polymer, aromatic olefin block polymer or mixtures thereof, the material being hydrolytically stable, having a flexular modulus according to A.S.T.M. D-790 of less than 1800 kg/cm.sup.2, having a Shore A hardness according to A.S.T.M. D-2240 of from 45 to 92 and being substantially dimensionally stable in steam at temperatures of at least about 120.degree. C.
Claims10
Autoclavable corrugated, respiratory care tubing comprising thermoplastic material selected from the class consisting of aliphatic olefin polymer, aromatic olefin block polymer and mixtures thereof, said material being hydrolytically stable, having a flexular modulus according to A.S.T.M. D-790 of less than 1800 kg/cm.sup.2, having a Shore A hardness according to A.S.T.M. D-2240 of from 45 to 92 and being substantially dimensionally stable in steam at temperatures of at least about 120.degree. C.
Dependencies are inferred from the claim text.