IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0582921
(2000-07-07)
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우선권정보 |
CH-199800034 (1998-01-09) |
국제출원번호 |
PCT/CH99/00005
(1999-01-06)
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국제공개번호 |
WO99/35007
(1999-07-15)
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발명자
/ 주소 |
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출원인 / 주소 |
- Rieter Automotive (International) AG
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
21 인용 특허 :
1 |
초록
▼
The invention relates to an ultralight, sound and shock absorbing component set comprising at least one base layer (2), an intermediate layer (3) and a covering layer (6). The intermediate layer (3) consists of a plurality of hollow bodies (4) arranged next to each other, whose walls are perforated
The invention relates to an ultralight, sound and shock absorbing component set comprising at least one base layer (2), an intermediate layer (3) and a covering layer (6). The intermediate layer (3) consists of a plurality of hollow bodies (4) arranged next to each other, whose walls are perforated and which thus form a complex labyrinth of hollow spaces. The covering layer (6) preferably has a microporous stiffening layer (8) which generates an airflow resistance of 900 Ns/m3t3. The dimensions of the walls of the hollow bodies (4) are such that they allow for compression of at least 50% at a maximum plateau tension of 0.5 Mpa3into deformation work.
대표청구항
▼
The invention relates to an ultralight, sound and shock absorbing component set comprising at least one base layer (2), an intermediate layer (3) and a covering layer (6). The intermediate layer (3) consists of a plurality of hollow bodies (4) arranged next to each other, whose walls are perforated
The invention relates to an ultralight, sound and shock absorbing component set comprising at least one base layer (2), an intermediate layer (3) and a covering layer (6). The intermediate layer (3) consists of a plurality of hollow bodies (4) arranged next to each other, whose walls are perforated and which thus form a complex labyrinth of hollow spaces. The covering layer (6) preferably has a microporous stiffening layer (8) which generates an airflow resistance of 900 Ns/m3t3. The dimensions of the walls of the hollow bodies (4) are such that they allow for compression of at least 50% at a maximum plateau tension of 0.5 Mpa3into deformation work. crystal dimer of claim 16. 20. The liquid crystal composition of claim 19 wherein the liquid crystal dimer comprises liquid crystal monomers linked through a high birefringence moiety. 21. The liquid crystal composition of claim 20 wherein the dimer comprises a core and one or two tail portions wherein the majority of the pi-electron delocalization of the core is along the extraordinary axis of the liquid crystal compound. 22. The liquid crystal composition of claim 21 wherein the one or two tail portions have the formula: --[X]x--R5 where: x, independently of x in other tails, is 0 or 1; X, independently of X in other tails, is selected from the group consisting of electron acceptor groups, electron donor groups, hydrogen, halogen, --NO2,--C=C--, --C C--, --COO--, --OOC--, --CO--, O, S, --COS--, --SCO--, --CN, --NH--, --NR'--, where R' is a small alkyl having 1 to about 3 carbon atoms, --NHCO--, --NR'CO--, where R' is a small alkyl having 1 to about 3 carbon atoms, --SO--, and C--SO2--; R5,independently of R5in other tails, is selected from the group consisting of hydrogen, halogen, --CN, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, and haloalkynyl groups having from 1 to about 20 carbon atoms, wherein one or more non-neighboring --CH2-- groups in the substituent can be substituted with an oxygen, a sulfur, or a SiRARBgroup, where RAand RBare small alkyl or alkenyl groups having from 1 to about 6 carbon atoms; and when X is present, R5may be absent. 23. The liquid crystal composition of claim 22 wherein the liquid crystal core comprises aromatic rings and has the formula: wherein: a is 0 or 1; A is selected from the group consisting of a --C=C--, --C≡C--, --C≡C--C≡C--, --C=C--C=C--, --C≡C--C=C--C≡C--, --N=N--, --N=NO--, and a --HC=N-- group; b1-b4,independently of one another, are 0 or 1; B1-B4,independently of one another, are selected from the group consisting of --C=C--, --C≡C--, --COO--, --OOC--, --CO--, --O--, --CH2O--, --OCH2--, --CH2--CH2--, --S--, --COS--, --SOC--, --CH=CHCOO--, --OOCCH=CH--, --CH=CHCOS--, and --SOCCH=CH--; c1,and c2,independently of one another, are 0 or 1 and C1and C2,independently of one another, are selected from the group consisting of --C=C--, --C≡C--, --COO--, --OOC--, --CO--, --O--, --CH2O--, --OCH2--, --CH2--CH2--, --S--, --COS--, --SCO--, --CH=CHCOO--, --OOCCH=CH--, --CH=CHCOS-- and --SOCH=CH--; d1and d2,independently of one another, are 0 or 1; D1and D2,independently of one another, are selected from the group consisting of --C=C--, --C≡C--, --COO--, --OOC--, --CO--, --O--, --CH2O--, --OCH2--, --CH2--CH2--, --S--, --COS--, --SOC--, --CH=CHCOO--, --OOCCH=CH--, --CH=CHCOS--, and --SOCCH=CH--; e1and e2,independently of one another, are 0 or 1; E1and E2,independently of one another, are selected from the group consisting of --C=C--, --C≡C--, --COO--, --OOC--, --CO--, --O--, --CH2O--, --OCH2--, --CH2--CH2--, --S--, --COS--, --SOC--, --CH=CHCOO--, --OOCCH=CH--, --CH=CHCOS--, and --SOCCH=CH--; six-membered aromatic rings E, F, G, H, I and J, independently of one another, are 1,4-phenyl rings or 1,4-phenyl rings in which one or two of the carbon atoms of the ring are replaced with nitrogen atoms and in which carbons of the phenyl rings or nitrogen-containing phenyl rings can be substituted with halogens, --CN, --NO2or small alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl or haloalkynyl groups having from 1 to about 3 carbon atoms; Y1-Y4,substituents on
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