The present invention relates to a novel type of boat construction wherein a metal hull, comprised primarily of aluminum metal and there is fitted thereupon a fiberglass interior supported along the exterior outer edge of the hull, with the interior defining a space for occupants of the boat, and spaced apart from the hull itself at points all except the exterior continuous edge of contact between the hull and the interior fiberglass lining.

A fiberglass spray nozzle arrangement is described for controlling the spray flow configuration of a resin-catalyst mixture which is atomized exteriorly of the nozzle. Resin nozzle, catalyst nozzle and control air nozzle devices are included in spaced apart relation in this nozzle arrangement. The resin nozzle sprays resin in a spray stream which is intersected by control air jets from the flow control nozzle and catalyst spray from the catalyst nozzle in series. The resulting spray mixture form...

A shingle for simulating the textured appearance of a shake roof has a transverse axis and a longitudinal axis, as well as a weather surface and an inner surface. The shingle includes a fiber glass base with an upper edge and a butt edge extending in the transverse direction, as well as two side edges extending mainly in the longitudinal direction. At least one stiffening member is secured to the base and extends generally in the longitudinal direction. A sealing member, located adjacent to the ...

The present invention is a device to measure the degree of cure of fiberglass using only infrared radiation. Particular frequencies of infrared radiation are used to determine the value of a cure-sensitive function and also the value of as cure-insensitive function and from a combination of the values of the functions, a property of fiberglass is determined.

A hangar for fiberglass ducts comprising a vertical arm, horizontal arm, top hook and bottom, up-turned spike, all of a single piece of wire and a support plate located on the horizontal arm by a hole through the plate through which the spike is inserted and a slot through which the vertical arm passes.

A fiberglass insulation cutting tool is described as including a blade extending forwardly from the front portion of a one-piece housing having a handle grip for the user to grasp onto. The front portion of the tool is rounded at the bottom and is tapered inwardly from its sides, to compress under pressure the fiberglass insulation to be cut by the blade as the tool is dragged rearwardly in use.

A composite fiberglass tubular coupling comprising an elastically deformable liner. The interior surface of the liner is threaded inwardly from each opposite end. A plurality of buttress ridges are located on the exterior surface of the liner and the exterior surface of the liner is overwound with thermoset resin impregnated fiberglass reinforcing fibers.

A process of applying catalyzed resin through a vacuum bag onto a dry hand lay-up uses at least one resin reservoir with a valve nozzle thereon. The valve nozzle is placed between the lay-up and the vacuum bag. By lifting the resin reservoir connected to the valve nozzle, the catalyzed resin placed in the reservoir will be sucked by vacuum onto the laminate. The lowering of the resin reservoir stops the flow. The vacuum bag between the valve nozzle and the reservoir connector must be broken firs...

The present invention relates to a yarn core construction suitable for forming a flexible composite yarn having a fiberglass component. The resulting yarn has good cut and abrasion resistance qualities without sacrificing knittability, flexibility and suppleness. A normally hard to knit fiberglass strand is wrapped with a sheath strand at a rate of at least 8 turns per inch. The core thus formed provides all of the benefits of a fiberglass supported yarn without experiencing any of the manufactu...

A fiberglass railcar roof that includes a fiberglass surface with a central portion and plural elongate fiberglass ribs extending transverse to the longitudinal axis of the fiberglass surface. In a first embodiment, the central portion has a cross-sectional configuration that defines a first arc, and the ribs each have broad widths and each extend above the central portion to define a second arc that intersects the first arc. In a second embodiment, the ribs have arcuate cross-sections and exten...