Bottle mold and adjustable top block assembly and top block alignment members

A mold assembly for forming blow-molded plastic containers, comprising:

• first and second main mold bodies, each of said main mold bodies having a front face, said front faces of said main mold bodies being in opposing relation;
• a cavity defined by each of said main mold bodies, said cavities being in opposing relation;
• first and second top block bodies removably mounted, respectively, to said first and second main mold bodies, each of said top block bodies including a front face, said front faces of said top block bodies being in opposing relation;
• first and second heel members mounted, respectively to said first and second top block bodies:
• first and second spacing elements mounted, respectively, to said first and second top block bodies and positioned, respectively, between said first and second top block bodies and said first and second heel members;
• first and second neck finish inserts mounted to each of said top block bodies, said first and second neck finish inserts being in opposing relation to each other, and
• alignment means positioned in operative relationship with said first and second top block bodies for ensuring correct orientation of said top block bodies along a plane parallel to said front faces of said top block bodies.

A top block assembly comprising:

• a top block body including a front face, a recess extending into said front face, said front face defining a first tonnage pad at one side of said recess and a second tonnage pad at the opposite side of said recess;
• a neck finish insert positioned within said recess;
• a heel mounted to said top block body and movable with respect thereto;
• a first alignment member mounted to said first tonnage pad;
• a second alignment member mounted to said second tonnage pad, and
• a spacing element mounted to said top block body and positioned between said top block body and said heel and maintaining a selected space between said top block body and said heel.

A top block assembly comprising:

• a top block base adapted for attachment to a main mold and including a front parting face and a rear end portion;
• a neck finish insert mounted to said top block base and adjoining said front parting face;
• a heel attached to said top block base, said heel including a forward face and a tail face, said forward face being in opposing relation to said rear end portion of said top block base;
• and
• a spacing element mounted to said top block base and positioned between and engaging said forward face of said heel and maintaining a selected spacing between said rear end portion of said top block base and said forward face of said heel.