| 摘要 |
A method and apparatus are disclosed for making preforms from a fibrous material such as glass fibers. The apparatus includes a porous mold form that, in carrying out the method, is attached over the open face of a charge box. The charge box and mold form are then rotated as a single unit to dump glass fibers or other fiberous reinforcement held in the charge box onto the mold form. Air is drawn through the porous mold form to thereby retain a layer of the glass fibers against the mold form. The mold form and charge box are rotated back to their initial position and then disconnected. A binder is sprayed onto the glass fibers if not otherwise already applied thereto. The binder is then cured, resulting in a unitary glass fibers preform.
|
