Inventor
UPMEIER HARTMUT
DE19 patents
Patents
19 patentsUS4643657AFeb 17, 1987
Apparatus for cooling tubular plastic films extruded from a film blowing head
WINDMOELLER & HOELSCHER31 citations92
US4541982ASep 17, 1985
Process and apparatus for forming and rearranging partial streams of molten materials processed in an extruder for making thermoplastic and/or elastomeric products
WINDMOELLER & HOELSCHER44 citations92
US4425290AJan 10, 1984
Method of controlling the film thickness of tubular film produced in a blown film extruder installation
WINDMOELLER & HOELSCHER30 citations92
US4162602AJul 31, 1979
Method and apparatus for filling and closing large sacks
WINDMOELLER & HOELSCHER53 citations91
US4246212AJan 20, 1981
Method and apparatus for optimizing the output of a blown film extruder plant by means of a process computer
WINDMOELLER & HOELSCHER57 citations90
US4696575ASep 29, 1987
Single-screw extruder for producing thermoplastic and elastomeric products
WINDMOELLER & HOELSCHER20 citations82
US4080143AMar 21, 1978
Cooling apparatus for air cooling tubular plastics film made by a foam blowhead
WINDMOELLER & HOELSCHER29 citations82
US4682941AJul 28, 1987
Flattening and take-off apparatus for providing a plastic film web from a blown tubular film
WINDMOELLER & HOELSCHER20 citations81
US4464318AAug 7, 1984
Method of controlling the film thickness at a blown film installation
WINDMOELLER & HOELSCHER17 citations80
US4339403AJul 13, 1982
Method of controlling the film thickness at a blown film extruder installation
WINDMOELLER & HOELSCHER24 citations80
US4809413AMar 7, 1989
Apparatus for helically slitting a continuous tubular film of synthetic thermoplastic material
WINDMOELLER & HOELSCHER11 citations73
US4678417AJul 7, 1987
Apparatus for cooling tubular plastic film extruded from a film blowing head
WINDMOELLER & HOELSCHER14 citations73
US3930781AJan 6, 1976
Post-cooling apparatus for blown thermoplastic film
WINDMOELLER & HOELSCHER16 citations73
US4351785ASep 28, 1982
Method of controlling the film thickness at a blown film extruder installation
WINDMOELLER & HOELSCHER17 citations72
US4339404AJul 13, 1982
Method of controlling the film thickness at a blown film installation
WINDMOELLER & HOELSCHER12 citations72
US3966377AJun 29, 1976
Blowhead for tubular film
WINDMOELLER & HOELSCHER20 citations71
US3930768AJan 6, 1976
Blow-head for tubular film
WINDMOELLER & HOELSCHER10 citations71
US4494877AJan 22, 1985
Funnel member for single-screw extruder
WINDMOELLER & HOELSCHER15 citations66
US4214934AJul 29, 1980
Process for coating woven tubing of fibrillated tape with synthetic thermoplastics
WINDMOELLER & HOELSCHER4 citations57