Method and arrangement for support of contact elements of hammermills and the like

In a method of securing a contact element to a support element to be carried by said support element for contact with material to be treated, the steps of forming one of said elements with a groove having a longitudinal direction and having a substantially uniform cross-sectional shape with uniform cross-sectional dimensions along its length, forming the other of said elements with a tongue having a longitudinal direction and having a substantially uniform cross-sectional shape substantially the same as that of said groove and with cross-sectional dimensions such as to fit into said grooves with a close tolerance fit, forming first and second narrow and elongated recesses in interengageable surfaces of said groove and said tongue at positions such as to register to define a channel extending to an entrance opening at aligned edge portions of said surfaces when the full length of said tongue is in said groove, positioning one end of said tongue in alignment with one end of said groove and then moving said contact element relative to said support element to longitudinally slide said tongue in said groove to an installed condition in which substantially the full length of said tongue is in said groove and in which said first and second recesses register to define said channel having an entrance opening at aligned edge portions of said surfaces, then flowing a hardenable liquid bonding material through said entrance opening into said channel to fill said channel with said material, and allowing said material to harden to develop a solid resilient holding and locking element operative to resiliently oppose relative slideable movement of said contact and support elements away from said installed condition.