Patent ID: 6041930
Filing Date: 2000-03-28
Classification: B65B,B65D

Abstract:
A sachet for the storage and application of liquid/paste substances, the sachet having been manufactured by a method comprising the steps of; sandwiching two plastic layers and one semi-rigid layer together to form a continuous elongate reservoir having an elongate direction, where the plastic layer adjacent to the semi-rigid layer has an aperture formed therein prior to forming said continuous reservoir; filling the elongate reservoir with at least one of a liquid and a paste; feeding the filled elongate reservoir continuously through a hot roller, the hot roller sealing the continuous elongate reservoir substantially perpendicular to the elongate direction of said continuous elongate reservoir to form discrete reservoirs corresponding to each sachet reservoir; and forming a fracture line or score in the semi-rigid layer, the fracture line or score either being formed during manufacture or being preformed in the semi-rigid layer; the sachet comprising said plastic layers sandwiched together to form the reservoir wherein at least one of said plastic layers is the semi-rigid plastic which fractures when bent, said semi-rigid plastic layer forming an outside layer of said plastic layers wherein the plastic layer adjacent to the semi-rigid plastic layer has the aperture located proximate to said fracture.