Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Patent
1994-07-18
1996-03-12
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
425394, 425397, 425DIG58, 249 59, B29C 4318
Patent
active
054981492
ABSTRACT:
The invention relates to a device for thermoforming a pouring spout from a sheet of thermoplastic material. The device includes a forming tool for engaging a first side of the thermoplastic sheet and a tube for advancing an outer closure portion or a screw cap to a second side of the thermoplastic sheet. A spacer ring of resiliently yieldable material is positioned on the advancement tube. A neck of the pouring spout is created between and upper side of the package and the outer closure portion or screw cap.
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patent: 4952130 (1990-08-01), Reil
patent: 5206037 (1993-04-01), Robbins, III
Nguyen Khanh P.
Tetra Laval Holdings & Finance S.A.
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