B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/923
B29C 39/02 (2006.01) B29C 33/30 (2006.01) B29C 39/26 (2006.01) E05C 9/00 (2006.01)
Patent
CA 2038467
A method for variably making tie bar guides us- able to guide tie bars within locking system housings hav- ing different inner dimensions, which tie bar guides have a body portion including four sides substantially aligned with an opening through the body portion for slidably re- ceiving a tie bar. A mold block defines an opening for the body portion of the guide and receives material in a sub- stantially flowable state. A cylindrical channel is also provided in the mold block along one side of said body portion opening. A semi-cylindrical pin is secured within the channel, which pin is pivoted to open a selected por- tion of the channel to the mold block opening and thereby extend the mold block opening and contiguous open channel to a selected outer dimension. Further, at least one slot is provided along a second side of the body portion open- ing. Prior to flowing material into the mold block, a selected number of substantially uniform slats sufficient to block the slot at the selected outer dimension are in- serted into the slot. Finally, material is flowed into the mold block opening for forming the selected tie bar guide, the material is allowed to harden into the shape of the selected tie bar guide, and the tie bar guide is removed from the mold block.
Finlayson & Singlehurst
Truth Hardware Corporation
LandOfFree
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