Method and apparatus for imparting two-way properties to flexible webs
US4432927A
Creping machine and method
CA1096737A
Smoke filters
DE2735986A1
METHOD AND DEVICE FOR TREATMENT OF SHEET OR TAPE-SHAPED MATERIAL
GB1602962A
Smoke filter
JPS52107310A
Method and apparatus for making high bulk article
DE2603238A1
Fabric drying process - uses permeable moving support with downward and upward gas streams
ZA7406404B
Puffing process
ZA7205015B
Puffing process
US3880705A
Expanding fibrous or plastic material by adding puffing agent under pressure and subsequent pressure release
GB1408262A
Process for puffing fibrous material
GB1072236A
Process for forming a pile on an article
ES220646A1
Procedure for the treatment of water by a gas and device for the realization of this procedure (Machine-translation by Google Translate, not legally binding)
GB797525A
Improvements in or relating to water sterilizing
GB791115A
Improvements in or relating to internal combustion piston engines