Patent ID: 7934693

Claim:
A panel unit for use as part of a concrete form, said panel unit comprising: (i) first and second spaced apart longitudinally oriented foam plastic panel members defining a form space there between; (ii) a spacer comprising at least one transverse tie rod member secured to and extending between said first and second panels, said transverse tie rod member having a first end adapted to be secured to a first connector for connecting said transverse tie rod member to said first panel member; wherein said first connector comprises a connector assembly for use in securing said first panel member to a transverse tie member, said connector assembly comprising: (a) a cap member having a flange cap portion and a shaft portion, said shaft portion with an end having an opening adapted to be interconnected to an end portion of a tie member; and (b) a bushing member having a flange portion and an axially aligned shaft portion with an end opposite to said flange portion, said bushing member having a continuous cavity formed in and passing through said flange portion and said shaft portion; said shaft portion of said cap member being receivable axially into said continuous cavity of said bushing member through said flange portion toward said end of said shaft portion for releasable engagement with said end of said tie member extending through said end of said bushing member into said continuous cavity; and said flange portion of said bushing having at least one aperture passing there through, said aperture and having an opening for permitting the fluid communication of flowable concrete into said aperture, said aperture being configured such that when concrete flows into and hardens in said aperture, said hardened concrete in said aperture of said bushing member which is integrally connected to hardened concrete outside of said aperture of said bushing member provides an anchoring device to hold said bushing member in said hardened concrete.