A loop steamer for steaming lengths of textile material wherein the textile material is transported through the steamer in the form of loops on rotating and positively driven guide rollers positioned adjacent the ceiling of the steamer with only one side of the material being in contact with the rollers, said steamer including expanding means for smoothing out the textile material positioned near an upwardly moving strand of the textile material forming a loop in front of at least one of the guide rollers.
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