公开(公告)号：US4297193A

公开(公告)日：1981-10-27

申请号：US152358

申请日：1980-05-22

Applicant: Donald P. Brezinski ,  Leroy R. Morse

Inventor： Donald P. Brezinski ,  Leroy R. Morse

IPC: F16C33/46 ,  C03C3/062 ,  C03C3/095 ,  C03C3/097 ,  C03C4/14 ,  C03C4/18 ,  C03C4/20 ,  G01N27/36 ,  C03C3/04

CPC classification number: C03C4/18 ,  C03C3/095 ,  G01N27/36

Abstract: A glass composition for use in pH-responsive glass electrodes, and a glass electrode having a pH-responsive membrane of such glass, which composition consists essentially of (in mole percent on the oxide basis):a. from about 30 to about 37 mole percent Li.sub.2 O;b. from 0 to about 4 mole percent of at least one oxide selected from the group consisting of Cs.sub.2 O and Rb.sub.2 O;c. from about 2 to about 12 mole percent of at least one oxide selected from the group consisting of La.sub.2 O.sub.3 and Pr.sub.2 O.sub.3 ;d. from about 2 to about 10 mole percent of at least one oxide selected from the group consisting of Ta.sub.2 O.sub.5 and Nb.sub.2 O.sub.5 ;e. from 0 to about 4 mole percent UO.sub.2 ; andf. the balance SiO.sub.2 ;with the proviso that there is present in the composition at least about 2 mole percent of at least one oxide selected from the group consisting of Pr.sub.2 O.sub.3 and Nb.sub.2 O.sub.5.

Abstract translation: 用于pH响应玻璃电极的玻璃组合物和具有这种玻璃的pH响应膜的玻璃电极，该组成基本上由（以氧化物为基准的摩尔％）组成：a。 约30至约37摩尔％的Li 2 O; b。 0至约4摩尔％的至少一种选自Cs 2 O和R b O 2的氧化物; C。 约2至约12摩尔％的选自La 2 O 3和Pr 2 O 3的至少一种氧化物; d。 约2至约10摩尔％的至少一种选自Ta 2 O 5和Nb 2 O 5的氧化物; e。 0至约4摩尔％的UO2; 和f。 平衡SiO2; 条件是在组合物中存在至少约2摩尔％的选自Pr 2 O 3和Nb 2 O 5中的至少一种氧化物。

公开(公告)号：US4285728A

公开(公告)日：1981-08-25

申请号：US83061

申请日：1979-10-09

Applicant: Clarence L. Babcock ,  Robert A. Busdiecker ,  Erwin C. Hagedorn

Inventor： Clarence L. Babcock ,  Robert A. Busdiecker ,  Erwin C. Hagedorn

IPC: C03C1/10 ,  C03C10/00 ,  C03C3/22 ,  C03B32/00 ,  C03C3/04 ,  C03C3/20

CPC classification number: C03C1/10 ,  C03C10/0027

Abstract: Colored and/or transparent, low expansion, crystallized glass-ceramic articles are formed by a method of thermal in situ crystallization from thermally crystallizable glass melts having lithium-containing crystals as the predominant crystalline species. The crystallized glass-ceramics produced in accordance with the method are low expansion substances, illustratively in the range of -10 to +10.sub.x 10.sup.-7 per .degree.C. (0.degree.-300.degree. C.). Telescope mirror blanks can be made from these transparent low expansion crystallized glass-ceramics.

Abstract translation: 通过由具有含锂晶体作为主要结晶物质的热可结晶玻璃熔体的热原位结晶的方法形成有色和/或透明的低膨胀玻璃陶瓷制品。 根据该方法生产的结晶玻璃陶瓷是低膨胀物质，例如在-10至+ 10×10-7 /℃（0-300℃）的范围内。 望远镜镜面坯料可以由这些透明的低膨胀结晶玻璃陶瓷制成。

公开(公告)号：US4277285A

公开(公告)日：1981-07-07

申请号：US109972

申请日：1980-01-07

Applicant: Jean E. Boudot ,  Francoise M. M. Roger ,  Michel P. H. Jeanmaire

Inventor： Jean E. Boudot ,  Francoise M. M. Roger ,  Michel P. H. Jeanmaire

IPC: C03C3/085 ,  C03C4/08 ,  C03C8/24 ,  C03C3/04 ,  C03C3/10

CPC classification number: C03C8/24 ,  C03C3/085 ,  C03C4/082

Abstract: This invention is concerned with sealing glasses exhibiting a coefficient of absorption of infra-red radiation within the range of 0.7-4 microns of at least 98%, an average coefficient of thermal expansion over the range of 20.degree.-300.degree. C. between 88-92.5.times.10.sup.-7 /.degree.C., and a volatilization of less than about 200 ppm at the sealing temperature, said glass being essentially free from K.sub.2 O and B.sub.2 O.sub.3 and consisting essentially, in weight percent on the oxide basis as calculated from the batch, of______________________________________ SiO.sub.2 67-73 Al.sub.2 O.sub.3 3.5-6.0 Li.sub.2 O 1.0-3.0 Na.sub.2 O 10-16 BaO 3.0-5.5 Fe.sub.2 O.sub.3 2.0-4.0 F 0.1-0.4 TiO.sub.2 0-3 ZrO.sub.2 0-3 ZnO 0-2 TiO.sub.2 + ZrO.sub.2 + ZnO 0-4 ______________________________________ the sum of those components constituting at least 98% by weight of the glasses. The glasses are especially suitable as envelopes for reed switches.

Abstract translation: 本发明涉及在0.7-4微米范围内表现出红外辐射吸收系数至少为98％的密封玻璃，平均热膨胀系数在20-300℃的范围内，在88 -92.5×10-7 /℃，并且在密封温度下挥发小于约200ppm，所述玻璃基本上不含K 2 O和B 2 O 3，并且基本上以按批次计算的氧化物的重量百分比计， 的SiO2 67-73 - Al2O3 3.5-6.0 - Li2O 1.0-3.0 - Na2O 10-16 - BaO 3.0-5.5 - Fe2O3 2.0-4.0 - F 0.1-0.4 - TiO2 0-3 - ZrO2 0-3 - ZnO 0- 2 -TiO 2 + ZrO 2 + ZnO 0-4 - 构成至少98重量％眼镜的成分的总和。 眼镜特别适合作为舌簧开关的信封。

公开(公告)号：US4257798A

公开(公告)日：1981-03-24

申请号：US61166

申请日：1979-07-26

Applicant: Charles D. Hendricks ,  Jackson C. Koo ,  Allan Rosencwaig

Inventor： Charles D. Hendricks ,  Jackson C. Koo ,  Allan Rosencwaig

IPC: C03B19/10 ,  C03C11/00 ,  C03C3/04

CPC classification number: C03B19/1075 ,  C03B19/1065 ,  C03C11/002

Abstract: A method for producing small hollow glass spheres filled with a gas by introduction of the gas during formation of the hollow glass spheres. Hollow glass microspheres having a diameter up to about 500.mu. with both thin walls (0.5 to 4.mu.) and thick walls (5 to 20.mu.) that contain various fill gases, such as Ar, Kr, Xe, Br, DT, H.sub.2, D.sub.2, He, N.sub.2, Ne, CO.sub.2, etc. in the interior thereof, can be produced by the diffusion of the fill gas or gases into the microsphere during the formation thereof from a liquid droplet of glass-forming solution. This is accomplished by filling at least a portion of the multiple-zone drop-furnace used in producing hollow microspheres with the gas or gases of interest, and then taking advantage of the high rate of gaseous diffusion of the fill gas through the wall of the gel membrane before it transforms into a glass microsphere as it is processed in the multiple-zone furnace. Almost any gas can be introduced into the inner cavity of a glass microsphere by this method during the formation of the microsphere provided that the gas is diffused into the gel membrane or microsphere prior to its transformation into glass. The process of this invention provides a significant savings of time and related expense of filling glass microspheres with various gases. For example, the time for filling a glass microballoon with 1 atmosphere of DT is reduced from about two hours to a few seconds.

Abstract translation: 一种在中空玻璃球形成期间通过引入气体来生产充满气体的小型中空玻璃球的方法。 直径高达约500微米的空心玻璃微球体，其两个薄壁（0.5至4微米）和厚壁（5至20微米）含有各种填充气体，例如Ar，Kr，Xe，Br，DT，H2， 其内部的D2，He，N2，Ne，CO2等可以通过在从玻璃形成溶液的液滴形成期间将填充气体或气体扩散到微球中来产生。 这是通过用用于生产中空微球体的多区域下落炉的至少一部分填充有感兴趣的气体或者气体来完成的，然后充分利用填充气体的气体扩散速率高于 凝胶膜，然后在多区域炉中加工成玻璃微球。 通过这种方法，在微球形成过程中几乎可以将任何气体引入到玻璃微球的内腔中，只要气体在其转变成玻璃之前就扩散到凝胶膜或微球体中。 本发明的方法大大节省了用各种气体填充玻璃微球的时间和相关费用。 例如，填充1小时DT的玻璃微球的时间从约2小时减少到几秒钟。

公开(公告)号：US4213789A

公开(公告)日：1980-07-22

申请号：US910751

申请日：1978-05-30

Applicant: Peter Bartha ,  Alexander Tutsek

Inventor： Peter Bartha ,  Alexander Tutsek

IPC: C04B35/18 ,  C03C3/062 ,  C03C3/097 ,  C03C3/16 ,  C03C4/00 ,  C03C8/08 ,  C03C13/04 ,  C04B41/86 ,  C03C3/04

CPC classification number: C03C8/08 ,  C03C3/062

Abstract: A glass forming compound having in its melted glass phase the formula Si.sub.2 AlO (PO.sub.4).sub.3 or 4 SiO.sub.2.Al.sub.2 O.sub.3.3P.sub.2 O.sub.5 is provided together with grain mixtures for producing refractory thermally insulating bricks adapted for use in the preheating zone of a rotary cement kiln operating in an atmosphere containing alkali chlorides, particularly KCl. The bricks develop a glass layer on the kiln exposed face thereof which resists penetration by alkalis, particularly KCl.

Abstract translation: 在其熔融玻璃相中具有式Si2AlO（PO4）3或4SiO2.Al2O3.3P2O5的玻璃形成化合物与用于生产耐火绝热砖的晶粒混合物一起提供，适用于在经过工作的旋转水泥窑的预热区中 含有碱金属氯化物，特别是氯化钾的气氛。 砖在其窑暴露的表面上形成玻璃层，其抵抗碱（特别是KCl）的渗透。

公开(公告)号：US4212919A

公开(公告)日：1980-07-15

申请号：US52937

申请日：1979-06-28

Applicant: Syed N. Hoda

Inventor： Syed N. Hoda

IPC: C03C3/11 ,  C03C3/112 ,  C03C3/118 ,  C03C21/00 ,  C03C3/04 ,  C03C3/20

CPC classification number: C03C3/11 ,  C03C21/00 ,  C03C3/112 ,  C03C3/118 ,  Y10T428/315

Abstract: This invention is concerned with the production of chemically strengthened polychromatic glasses. In the preferred embodiment, the glasses are suitable for ophthalmic applications, i.e., the glasses have a refractive index of at least 1.523 and, after chemical strengthening, will exhibit a surface compression layer having a depth of at least 0.002", a maximum central tension of at least 0.7 kg/mm.sup.2, and a modulus of rupture of at least approximately 30,000 psi such as to pass the FDA strength requirements for glass ophthalmic lenses. For this preferred embodiment, the chemical strengthening reaction will be conducted for a period not exceeding about 24 hours and the glasses will have compositions consisting essentially, by weight on the oxide basis as calculated from the batch of about 11-18% Na.sub.2 O, 60-70% SiO.sub.2, 3-12% ZrO.sub.2, 0-18% ZnO and/or 0-14% Al.sub.2 O.sub.3, the total ZnO+Al.sub.2 O.sub.3 not exceeding about 20%, 0-5% BaO, 0.005-0.3% Ag, 0.01-0.2% CeO.sub.2, 1-4% F, and an amount of at least one halide selected from the group of Cl, Br, and I sufficient to react stoichiometrically with the Ag, but not more than about 3%.

Abstract translation: 本发明涉及化学强化多色眼镜的生产。 在优选实施例中，眼镜适用于眼科应用，即眼镜具有至少1.523的折射率，并且在化学强化之后将呈现具有至少0.002“的深度的表面压缩层，最大中心 至少0.7kg / mm2的张力和至少约30,000psi的破裂模量，以通过FDA对玻璃眼镜片的强度要求。 对于该优选实施方案，化学强化反应将进行不超过约24小时的时间，并且玻璃将具有基于氧化物重量基本上由按批次计算的约11-18％Na 2 O，60- 70％SiO 2，3-12％ZrO 2，0-18％ZnO和/或0-14％Al 2 O 3，总ZnO + Al 2 O 3不超过约20％，0-5％BaO，0.005-0.3％Ag，0.01-0.2 ％CeO 2，1-4％F和至少一种选自Cl，Br和I的卤化物的量，其足以使化学计量比与Ag反应，但不大于约3％。

公开(公告)号：US4190452A

公开(公告)日：1980-02-26

申请号：US877743

申请日：1978-02-14

Applicant: Klaus Fischer ,  Robert Keul

Inventor： Klaus Fischer ,  Robert Keul

IPC: B32B17/10 ,  C03C1/10 ,  C03C3/076 ,  C03C3/091 ,  C03C4/08 ,  G02B5/20 ,  G02B5/22 ,  C03C3/04 ,  C03C3/08 ,  C03C3/30

CPC classification number: B32B17/10339 ,  C03C1/10 ,  C03C3/076 ,  C03C3/091 ,  C03C4/08 ,  G02B5/208 ,  G02B5/226

Abstract: A neutral bronze sheet glass has a dominant wavelength in the vicinity of 575 nm, and a monochromatic transmittance which in the range from about 400 nm to about 550 nm is on the average from about 5% to about 50% lower than in the range from about 550 nm to about 750 nm, and possesses in thicknesses suitable for glazing a luminous transmittance above 70%.

Abstract translation: 中性青铜平板玻璃具有575nm附近的主波长，并且在约400nm至约550nm范围内的单色透射率平均为约5％至约50％，低于 约550nm至约750nm，并且具有适于玻璃化的透光率高于70％的厚度。

公开(公告)号：US4135936A

公开(公告)日：1979-01-23

申请号：US916398

申请日：1978-06-16

Applicant: Clifford P. Ballard, Jr.

Inventor： Clifford P. Ballard, Jr.

IPC: C03C8/24 ,  C03C10/00 ,  C03C27/02 ,  C03C3/22 ,  C03C3/04 ,  C03C3/30

CPC classification number: C03C10/0009 ,  C03C27/02 ,  C03C8/24

Abstract: The invention relates to a glass-ceramic composition having a high fracture strength adaptable for hermetically sealing to chromium bearing iron or nickel base alloys at temperatures of between about 950.degree. C to about 1100.degree. C to form a hermetically sealed insulator body, comprising from about 55 to about 65 weight percent SiO.sub.2, from about 0 to about 5 weight percent Al.sub.2 O.sub.3, from about 6 to about 11 weight % Li.sub.2 O, from about 25 to about 32 weight percent BaO, from about 0.5 to about 1.0 weight percent CoO and from about 1.5 to about 3.5 weight percent P.sub.2 O.sub.5.

公开(公告)号：US4134747A

公开(公告)日：1979-01-16

申请号：US778161

申请日：1977-03-16

Applicant: Joseph E. Pierson ,  Stanley D. Stookey

Inventor： Joseph E. Pierson ,  Stanley D. Stookey

IPC: C03C3/085 ,  C03C3/112 ,  C03C4/04 ,  C03C15/00 ,  C03B32/00 ,  C03C3/04

CPC classification number: C03C3/112 ,  C03C3/085 ,  C03C4/04

Abstract: This invention is concerned with the preparation of glass articles wherein a portion thereof is opaque and another portion thereof is transparent and, optionally, integrally colored. The opaque portion is produced through the thermal reduction and precipitation of a controlled number of submicroscopic particles of at least one metal selected from the group of copper, gold, palladium, platinum, and silver with the subsequent nucleation and growth of NaF crystals on said metal particles to a size sufficient to scatter visible light. The transparent portion is developed through the photoreduction of at least one photosensitive metal selected from the group of copper, gold, and silver to produce additional submicroscopic particles of said metals upon which NaF crystals are nucleated and grown, but which remain in a size too small to scatter visible light. The presence of copper or gold alone gives rise to a single color, whereas the inclusion of silver permits a full spectrum of colors to be produced.Where silver is present, microcrystals of NaF containing a silver halide selected from the group of AgCl, AgBr, and AgI are grown upon which a coating of metallic silver is developed or within which metallic silver is deposited.The method involves sequences of exposures of the glass to high energy or actinic radiation followed by heat treatments.

Abstract translation: 本发明涉及玻璃制品的制备，其中其一部分是不透明的，其另一部分是透明的，并且任选地整体着色。 不透明部分通过控制数量的选自铜，金，钯，铂和银的至少一种金属的亚显微粒子的热还原和沉淀而产生，随后NaF晶体在所述金属上的成核和生长 颗粒尺寸足以散射可见光。 透明部分通过光还原选自铜，金和银的至少一种感光金属而显影，以产生其中NaF晶体成核并生长的所述金属的另外的亚显微颗粒，但是其尺寸太小 散射可见光。 单独的铜或金的存在产生单色，而包含银允许产生全色的颜色。

公开(公告)号：US4118214A

公开(公告)日：1978-10-03

申请号：US808863

申请日：1977-06-22

Applicant: Brent M. Wedding

Inventor： Brent M. Wedding

IPC: C03C4/04 ,  C03C23/00 ,  C03C15/00 ,  C03B32/00 ,  C03C3/04

CPC classification number: C03C23/003 ,  C03C23/002 ,  C03C23/004 ,  C03C4/04

Abstract: The present invention primarily comprises an improvement upon the method for producing photosensitive colored glasses or polychromatic glasses utilizing two sequences of exposure to high energy or actinic radiation followed by heat treatment. The invention contemplates replacing the second exposure/heat treatment step with a heat treatment conducted in a reducing atmosphere at a temperature of at least 350.degree. C., but below the strain point of the glass. The resultant articles can be particularly useful in ophthalmic applications.

Abstract translation: 本发明主要包括利用两次接触高能量或光化辐射随后进行热处理的光敏着色玻璃或多色玻璃的制造方法的改进。 本发明考虑通过在还原气氛中在至少350℃的温度但低于玻璃的应变点进行的热处理来代替第二曝光/热处理步骤。 所得制品在眼科应用中特别有用。