IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0798339
(1991-11-26)
|
발명자
/ 주소 |
- Kawaguchi Shigeru,JPX
- Kubouchi Kenji,JPX
- Matsumoto Tadaumi,JPX
- Hashioka Jin,JPX
- Kitamura Takeshi,JPX
|
출원인 / 주소 |
- Toyota Jidousha Kabushiki Kaisha, JPX
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
5 |
초록
▼
A laminate-type metallic gasket comprising adjacent combustion chamber holes (A, A), a pair of bead substrates (3, 4) made of an elastic metallic plate with a bead (1) formed along each of the combustion chamber holes (A, A) and first and second intermediate plates (6, 8), in which peak portions of
A laminate-type metallic gasket comprising adjacent combustion chamber holes (A, A), a pair of bead substrates (3, 4) made of an elastic metallic plate with a bead (1) formed along each of the combustion chamber holes (A, A) and first and second intermediate plates (6, 8), in which peak portions of beads (1) are symmetrically opposite to each other, disposed between the two bead substrates (3, 4) according to the present invention wherein a first intermediate plate (6) is provided with a step (9) having a thickness less than that of a second intermediate (8) formed along an edge portion (7) of the combustion chamber holes (A, A). The intermediate plate (8) is disposed upon an outer surface which is made of a downwardly convex surface (10) by a formation of the step (9), and an edge portion (11) of the second intermediate plate (8) being folded back between the second intermediate plate (8) and the edge portion (7) of the combustion chamber holes (A, A) of the first intermediate plate (6) to form the compensating portion (12) having a thickness larger than the total thickness of the two intermediate plates (6, 8) at a portion, where peak portions of the beads (1) are respectively brought into contact with the first and second intermediate plates (6, 8), around the combustion chamber holes (A, A).
대표청구항
▼
[ What is claimed is:] [1.]1. A laminate-type metallic gasket comprising adjacent combustion chamber holes (A, A), a pair of beads (3, 4) each made of an elastic metallic plate with a bead (1) formed along each of said combustion chamber holes (A, A), and first and second (6, 8) intermediate plates
[ What is claimed is:] [1.]1. A laminate-type metallic gasket comprising adjacent combustion chamber holes (A, A), a pair of beads (3, 4) each made of an elastic metallic plate with a bead (1) formed along each of said combustion chamber holes (A, A), and first and second (6, 8) intermediate plates disposed between said beads (3, 4,) with which peak portions of said beads (1) are respectively in symmetrical contact, one of said plates (6) having steps (9) formed along peripheral edge portions (7) on the combustion chamber holes (A, A) and the other of said plates (8) having a thickness less than that of said one plate (6), said other plate (8) being disposed upon an outer surface of a convex (10) defined by the steps (9), and edge portions (11) of said other plate (8) being folded back into and between said other plate (8) and said edge portion (7) of said one plate (6) to form together with said one plate (6) a compensating portion (12) having a thickness larger than the total thickness of said plates (6, 8) at a portion where the peak portions of the beads (1) are respectively in contact with said one plate (6) and said other plate (8).
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