The thickened tip of the boards free end provides more wood to stiien it against ilexing and also to reduce and distribute stress concentrations that tend to split the board which would normally occur in a board of uniform thickness The entire board is fabricated of laminated strips to strengthen the board and to reduce further
There is disclosed a panel for use in soundproofing walls, having a base organization in which an aluminum foam board containing numerous open pores and a Such a conventional aluminum fence is usually provided with a sound absorbing member, such as glass wool or rock wool, with the aim of enhancing its
It is to be noted that, at present, there exists no hour wood faced composite fire door The only door which has a hour The faces of the door comprise lignocellular material, preferably veneer, and are laminated to the crossbands with a phenolic impregnated adhesive A preferred type is a precatalyzed phenolic
A dasher board for skating rinks made entirely of fiberglass and having a smooth front portion with an integrally formed boarder and a plurality of bolsters to provide EH Fences constructed of rigid elements, e.g with posts, with additional wire fillings using prefabricated panel like elements, e.g wired frames
In one embodiment, the torsional control spring is a carbon fiber reinforced epoxy matrix composite laminate plank having a length L of inches and a width W of inches The diving board exists as the longitudinal flex spring, while the composite plank exists as a torsional control spring The control spring
A tennis practice device that has a rebound surface made out of composite material consisting of cement, ground calcium silica, cellulose fibers, wood fibers and other select additives such as fly ash and a sound The tennis boards mounted on fences tend to be very large and expensive and not suitable for home practice.
Sandal like trampoline board bindings are threadedly coupled to inserts molded into the resilient body The top and bottom surfaces are skins comprising high density polyethylene (HDPE), extruded polyurethane, or a spandex fabric with an extruded polyurethane exterior sheet heat laminated to the spandex fabric and
This invention is intended to produce a hockey stick which will uniformly have two to thre times the impact resistance and flexibility of the best one piece bent wood edge grain rock elm sticks i e the one piece sticks which pass all of the factory tests These results are obtained by a laminated wood construction in which the