Bonding tool, system to apply pressure during a bonding process and method to apply pressure during a bonding process
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-063/16
B30B-001/00
B30B-005/02
B29C-043/10
B29C-043/36
출원번호
US-0926537
(2013-06-25)
등록번호
US-9511537
(2016-12-06)
발명자
/ 주소
Tuscano, Mark A.
Haiday, Michael
출원인 / 주소
SIKORSKY AIRCRAFT CORPORATION
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
A bonding tool to facilitate bonding of a liner to a surface of a workpiece is provided. The bonding tool includes a bladder, which is inflatable from an initial size to an expanded size, a frame formed to define a recess in which the bladder is disposed, the recess being oriented such that, when in
A bonding tool to facilitate bonding of a liner to a surface of a workpiece is provided. The bonding tool includes a bladder, which is inflatable from an initial size to an expanded size, a frame formed to define a recess in which the bladder is disposed, the recess being oriented such that, when inflated from the initial size to the expanded size, the bladder applies a predefined pressure to the liner such that the liner is pressed against the surface of the workpiece.
대표청구항▼
1. A bonding tool to facilitate bonding of a liner to a surface of a workpiece, the bonding tool comprising: first and second bladders, which are each formed to define a fully enclosed interior and which are each inflatable from an initial size to an expanded size; anda frame formed to define first
1. A bonding tool to facilitate bonding of a liner to a surface of a workpiece, the bonding tool comprising: first and second bladders, which are each formed to define a fully enclosed interior and which are each inflatable from an initial size to an expanded size; anda frame formed to define first and second recesses in which the first and second bladders are respectively disposed, the first and second recesses being oriented such that, when inflated from the initial size to the expanded size, the first and second bladders apply a predefined pressure to the liner such that the liner is pressed against the surface of the workpiece,wherein the bonding tool further comprises a third recess and a third bladder and the frame comprises:a support member;a first flange coupled to a distal end of the support member, the first flange being formed to define the first recess in which the first bladder is disposed to expand in a first predominant direction; anda second flange coupled to a central portion of the support member to define the second recess between the first and second flanges in which the second bladder is disposed to expand in a second predominant direction transverse to the first predominant direction,the second flange being formed to define the third recess in which the third bladder is disposed to expand in the first predominant direction. 2. The bonding tool according to claim 1, wherein the frame is formed to be surrounded by the workpiece. 3. The bonding tool according to claim 1, further comprising a heating element configured to heat at least the workpiece. 4. The bonding tool according to claim 1, wherein complementary corners the first and second bladders overlap. 5. The bonding tool according to claim 1, further comprising a tooling block interposed between at least one of the first and second bladders and the liner. 6. The bonding tool according to claim 1, further comprising an adhesive interposed between the liner and the surface. 7. A system to apply pressure during a bonding process, the system comprising: a base on which a workpiece is disposable;a bonding tool to facilitate bonding of a liner to a surface of the workpiece and comprising a bladder, which is formed to define a fully enclosed interior and which is inflatable from an initial size to an expanded size, and a frame formed to define a recess in which the bladder is disposed, the recess being oriented such that, when inflated from the initial size to the expanded size, the bladder applies a predefined pressure to the liner such that the liner is pressed against the surface of the workpiece,the frame comprising a body and an exterior surface of the body and being formed to define the recess in the body such that the recess extends in a recess direction from a plane of the exterior surface, the bladder being disposed in the recess and the frame being disposed such that, when the liner is interposed between the bladder and the surface of the workpiece while on the base and the bladder is inflated, the bladder applies the predetermined pressure which presses the liner toward the surface;a controller operably coupled to the bladder, the controller being configured to control an inflated condition of the bladder such that the pressure applied by the bladder to the liner is known; anda tooling block interposed between the liner and the bladder to evenly distribute bladder pressure and comprising a plurality of vertically oriented, polytetrafluoroethylene coated slots in a horizontal array. 8. The system according to claim 7, wherein the base comprises a heating element which comprises an upper surface on which the workpiece and the frame are disposable, and the controller further controls a temperature of an interface between the liner and the surface while the bladder applies the predetermined pressure. 9. The system according to claim 7, wherein: the surface is provided as a plurality of surfaces,the liner is provided as a plurality of liners,the recess is provided as a first recess and a second recess, and the bladder is provided as a first bladder and a second bladder, said first bladder and said second bladder being disposed in said first recess and said second recess, respectively. 10. The system according to claim 7, further comprising adhesive interposed between the surface and the liner. 11. The system according to claim 7, wherein the controller controls the bladder to be inflated to about 25-60 psi.
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