Patent ID: 9254343
Filing Date: 2016-02-09
CPC Classification: A61L,B29C,B29K

Claim Text:
1. A method for sterilizing preforms that are made of a thermoplastic material and are intended for producing blow-molded containers, the method comprising the steps of: introducing a chemical sterilizing agent into an area of the preform; and heating the preforms before they are blow molded, wherein the chemical sterilizing agent is discharged at least partially from at least one nozzle in a direction of the preform, where a mean discharge direction of the chemical sterilizing agent from the nozzle is provided with an angle of inclination to a longitudinal axis of the preform, wherein the preforms are conveyed past a stationary sterilization device in which the chemical sterilizing agent is introduced, wherein the preform is brought to a temperature of 80° C. before the chemical sterilizing agent is introduced so that the preform has the temperature of at least 80° C. in the area of the inner surface while the chemical sterilizing agent is being introduced.