Laser trimmed drip free bottle

Details Laser trimmed drip free bottle Laser trimmed drip free bottle

C - Chemistry, Metallurgy

03

B

C03B 21/00 (2006.01)

Patent

CA 2628231

Methods for forming drip-free pouring surfaces for polymeric containers. The drip- free pouring surfaces are formed by heating a pouring surface, without physical contact, such as with a laser or other heat source. In one embodiment, the drip-free pouring surfaces are substantially mushroom-shaped in cross section. Also provided are containers having drip- free pour surfaces formed by the methods described herein.

L'invention concerne des procédés de formage de surfaces verseuses antigoutte pour récipients polymères. Les surfaces verseuses sont formées par chauffage d'une surface verseuse, sans contact physique, par exemple au moyen d'un laser ou d'une autre source de chaleur. Dans une forme d'exécution, les surfaces verseuses antigoutte sont profilées sensiblement en forme générale de champignon dans leur section transversale. L'invention concerne également des récipients présentant des surfaces verseuses antigoutte formées conformément aux procédés précités.

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