[미국특허]
Molding deformable materials with use of vibrating wall surfaces
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-043/02
B29C-043/22
출원번호
US-0483041
(1995-06-06)
발명자
/ 주소
Ibar Jean-Pierre (New Canaan CT)
출원인 / 주소
TherMold Partners L.P. (Stamford CT 02)
인용정보
피인용 횟수 :
2인용 특허 :
24
초록▼
An apparatus for shaping deformable materials during molding processes. Such an apparatus includes, among other things, a vibrating wall assembly. The vibrating wall assembly fits the contours of at least a portion of a mold\s cavity. The vibrating wall assembly includes a pliable wall positioned wi
An apparatus for shaping deformable materials during molding processes. Such an apparatus includes, among other things, a vibrating wall assembly. The vibrating wall assembly fits the contours of at least a portion of a mold\s cavity. The vibrating wall assembly includes a pliable wall positioned within the mold. The pliable wall is positioned such that its outside wall surface is adjacent to a portion of the mold\s inside wall surface; and its inside wall surface defines a portion of the geometric configuration of the material passing thereover. The pliable wall is designed to deform from its original shape when a positive or negative pressure is exerted on its inside or outside wall surface. This positive and/or negative pressure is generated, at least in part, by the displacement of a displaceable fluid. This fluid is contained within a chamber. The chamber is in communication with a portion of the pliable wall\s outside wall surface. Also included is a device which displaces the fluid contained within the chamber. This device controls the amount, frequency and amplitude of the wall assembly\s vibration by controlling fluid displacement.
대표청구항▼
A process for shaping a deformable polymeric material, wherein the physicochemical properties of the resulting product are controlled, the process comprising the steps of: a. providing a mold, die or transfer channel body, wherein at least a portion of the mold\s, die\s or transfer channel\s inside
A process for shaping a deformable polymeric material, wherein the physicochemical properties of the resulting product are controlled, the process comprising the steps of: a. providing a mold, die or transfer channel body, wherein at least a portion of the mold\s, die\s or transfer channel\s inside wall surface defines a cavity into which, or through which, the deformable polymeric material passes, and wherein at least a first vibrating wall assembly is incorporated into the mold\s, die\s or transfer channel\s body such that an inside wall surface of the first vibrating wall assembly defines at least a part of the cavity into which, or through which, the deformable polymeric material passes, the vibrating wall assembly comprising: i. at least a first pliable wall whose outside wall surface is adjacent to at least a portion of the mold\s, die\s or transfer channel\s inside wall surface, and whose inside wall surface defines at least a part of the cavity into which, or through which, the deformable polymeric material passes, ii. at least a first displaceable fluid chamber for confining a displaceable fluid, the first chamber being in communication with at least a portion of the first pliable wall\s outside wall surface, iii. a displaceable fluid confined within the first displaceable fluid chamber, and iv. at least a first means for displacing the displaceable fluid confined within the first displaceable fluid chamber; b. introducing a deformable polymeric material into the mold\s, die\s or transfer channel\s cavity which is defined, at least in part, by the first vibrating wall assembly; c. exerting a hydrostatic force onto at least that portion of the deformable polymeric material in contact with the first pliable wall\s inside wall surface, the hydrostatic force being exerted, at least in part, by the first fluid displacing means displacing the displaceable fluid confined within the first displaceable fluid chamber; and d. controlling the exertion of the hydrostatic force on the deformable polymeric material to produce a physicochemical change in the deformable polymeric material.
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