Synthetic resin bottle with handgrips

Claim 1

A blow bolded synthetic resin container having: (a) a body portion with a bottom wall and a sidewall of generally circular cross section, and (b) a closure portion at the upper end of said sidewall and providing an opening to the container body portion and adapted to receive a closure, said sidewall of said body portion having a pair of vertically elongated grip recesses therein spaced about its periphery, each of said grip recesses being defined by top and bottom walls and first and second walls extending therebetween and converging along an axial lone at the maximum depth of said recess, said first wall extending inwardly of the periphery of said body portion at a relatively shallow angle to an imaginary chord drawn between the side edges of said recess, and said second wall extending inwardly at a steeper angle, said grip recess having a convex bridge rib extending horizontally and rectilinearly between said first and second walls and terminating at points spaced inwardly of said periphery of said sidewall to space its rectilinear outer surface inwardly of said periphery a distance of about 1/4-3/4 the maximum depth of said recess, said bridge rib having a width of about 1/4-3/4 inch, said first wall also having a plurality of axially extending ribs of smaller height and width than said bridge rib and extending axially from the upper and lower side surfaces of said bridge rib.