Patent ID: 7681805
Filing Date: 2010-03-23
Classification: A01G,B05B,B29C,B29L,Y02A,Y10T

Abstract:
1. A dripper adapted to be bonded to an interior of an irrigation pipe during manufacture and to be associated with an outlet opening in said pipe, the dripper comprising: an outwardly facing surface adapted for the bonding, an outlet area associated with said outwardly facing surface, and at least one element movable from a first position in which the at least one element does not project above the outwardly facing surface to a second position in which the at least one element projects above the outwardly facing surface, said element constituting a bulge, when in said second position, near said outlet area, said bulge defining an outermost portion of said outwardly facing surface at least during manufacture of the pipe, and being adapted to form, when the dripper is bonded to said pipe, a raised outlet region in the pipe associated with said bulge, the bulge and said outlet area being designed so as to form said raised outlet region suitable for at least a part of said outlet opening being formed in said raised outlet region and being defined by the material of the pipe.