公开(公告)号：US4173047A

公开(公告)日：1979-11-06

申请号：US904040

申请日：1978-05-08

申请人： John W. Schaefer

发明人： John W. Schaefer

IPC分类号： A47C27/06 ,  A47C23/04 ,  A47C25/00

CPC分类号： A47C27/066

摘要： A tubular border frame for inner spring assemblies is disclosed. The border frame includes an opening defined by a pair of inwardly directed lips adapted to receive and secure the coil springs. Straight and corner connectors are provided for joining the sections of the frame to form a complete border surrounding the springs.

摘要翻译： 公开了一种用于内部弹簧组件的管状边框。 边框包括由适于接收和固定螺旋弹簧的一对向内指向的唇限定的开口。 提供直角和角连接器用于连接框架的部分以形成围绕弹簧的完整边界。

公开(公告)号：US20080144694A1

公开(公告)日：2008-06-19

申请号：US12025279

申请日：2008-02-04

申请人： Robert L. Danley ,  John W. Schaefer

发明人： Robert L. Danley ,  John W. Schaefer

IPC分类号： G01N25/00

CPC分类号： G01N5/04 ,  G01G19/52 ,  Y10S436/908

摘要： Systems and methods for minimizing extraneous forces and calculating corrected weights of samples based on buoyancy factors for a thermogravimetric analyzer (TGA). The TGA includes a balance chamber and a furnace configured to heat a sample. A null balance is provided in the balance chamber and is used to measure the sample weight change during heating. The furnace includes a cylinder open at the top to receive a sample. The bottom of the cylinder is closed except for a small hole that allows a thermocouple to pass through. An infrared heat source may be provided to heat the cylinder. The balance chamber can be thermally isolated from the furnace using an actively cooled plate and a system of heat shields disposed between the furnace and balance chamber. A thermocouple disk is further provided to limit gas flow in the furnace and increase reliability of sample weight measurements.

摘要翻译： 基于热重分析仪（TGA）的浮力因子，最小化外来力并计算样本的校正重量的系统和方法。 TGA包括配置成加热样品的平衡室和炉。 在平衡室中提供零平衡，用于在加热期间测量样品重量变化。 该炉包括在顶部开口以接收样品的圆筒。 气缸的底部是封闭的，除了允许热电偶通过的小孔。 可以提供红外热源来加热气缸。 平衡室可以使用主动冷却的板和设置在炉和平衡室之间的隔热系统与炉热隔离。 还提供热电偶盘以限制炉中的气体流动并增加样品重量测量的可靠性。

公开(公告)号：US06723036B2

公开(公告)日：2004-04-20

申请号：US10174922

申请日：2002-06-19

申请人： Richard A. Weaver ,  John W. Schaefer ,  Michael G. Howe

发明人： Richard A. Weaver ,  John W. Schaefer ,  Michael G. Howe

IPC分类号： B21C4700

CPC分类号： D06J1/06 ,  B31B70/982 ,  B65H19/2207 ,  B65H19/28 ,  B65H45/12

摘要： Methods and apparatus for folding pliable sheet material wherein the sheet material is wound on a mandrel to form a roll which subsequently is stripped off the mandrel and transferred to a pleating station at which successive creases are formed in the roll to produce a pleated packet. During the winding of the sheet material the latter is adhered to the mandrel by the application of negative air pressure to the material via the mandrel. Following the formation of the roll, the application of negative air pressure is discontinued and positive air pressure is applied to the interior of the roll so as to facilitate stripping of the roll from the mandrel. At the pleating station the roll is creased successively to form a plurality of pleats and the direction in which the creasing proceeds is such as to facilitate the escape of air from the roll as it is pleated.

摘要翻译： 用于折叠柔韧片材的方法和装置，其中片材被卷绕在心轴上以形成辊，随后将其从心轴上剥离并转移到打褶台，在该打褶台处在辊中形成连续的褶皱以产生打褶的包。 在片材卷绕期间，后者通过经由心轴对材料施加负空气压力而粘附到心轴。 在辊的形成之后，停止施加负空气压力，并且将正空气压力施加到辊的内部，以便于从心轴剥离辊。 在打褶站处，辊被连续地折皱以形成多个褶皱，并且压痕进行的方向是为了便于在打褶时从空气中排出空气。

公开(公告)号：US06523998B1

公开(公告)日：2003-02-25

申请号：US09769320

申请日：2001-01-26

申请人： Robert L. Danley ,  John W. Schaefer

发明人： Robert L. Danley ,  John W. Schaefer

IPC分类号： G01N100

CPC分类号： G01N25/4826

摘要： An improved differential thermal analysis/differential scanning calorimetry (collectively, DSC) assembly with a furnace block assembly having a measurement chamber and a furnace heater. The measurement chamber has a sensor assembly for receiving a sample material and a reference material. The furnace block assembly is coupled to a generally cylindrical cooling flange through a distributed thermal resistor that allows a constrained heat flow between the furnace assembly and cooling flange. The thermal resistor can also withstand the mechanical stresses associated with the differential expansion and contraction of the furnace assembly and cooling flange without permanent deformation of the thermal resistor. The cooling flange can be coupled to various cooling devices, permitting operation of the overall DSC instrument in a variety of temperature regimes for a variety of applications.

摘要翻译： 改进的差示热分析/差示扫描量热法（统称为DSC）组件，其具有具有测量室和炉加热器的炉块组件。 测量室具有用于接收样品材料和参考材料的传感器组件。 炉膛组件通过分布式热电阻器连接到大致圆柱形的冷却法兰，其允许在炉组件和冷却法兰之间受到限制的热流。 热电阻器还可以承受与炉组件和冷却法兰的不同膨胀和收缩相关的机械应力，而不会导致热电阻器的永久变形。 冷却法兰可以连接到各种冷却装置，允许整个DSC仪器在各种温度条件下进行各种应用。

公开(公告)号：US5842788A

公开(公告)日：1998-12-01

申请号：US962378

申请日：1997-10-31

申请人： Robert L. Danley ,  John R. Reader, Jr. ,  John W. Schaefer

发明人： Robert L. Danley ,  John R. Reader, Jr. ,  John W. Schaefer

IPC分类号： G01K17/00 ,  G01N25/48 ,  G01N25/20

CPC分类号： G01N25/482 ,  G01K17/00 ,  G01N25/4833 ,  G01N25/4866

摘要： A Differential Scanning Calorimeter (DSC) which has constant calorimetric sensitivity over its entire range of operating temperatures from -200.degree. C. to 540.degree. C. The DSC sensor consists of a pair of thin-film Resistance Temperature Detectors (RTDs) which are used to sense the temperature of a sample and the temperature difference between the sample and an inert reference. The RTDs are supplied with an excitation current which varies according to the temperature of the reference to achieve constant calorimetric sensitivity, independent of the operating temperature.

摘要翻译： 差示扫描量热计（DSC），其在-200℃至540℃的整个工作温度范围内具有恒定的测量灵敏度。DSC传感器由一对薄膜电阻温度检测器（RTD）组成，使用 以检测样品的温度和样品与惰性参比之间的温度差。 RTD提供的激励电流根据参考温度而变化，以实现恒定的量热灵敏度，与工作温度无关。

公开(公告)号：US5321719A

公开(公告)日：1994-06-14

申请号：US67355

申请日：1993-05-26

申请人： Kevin J. Reed ,  Michael J. Levchak ,  John W. Schaefer

发明人： Kevin J. Reed ,  Michael J. Levchak ,  John W. Schaefer

IPC分类号： G01K1/14 ,  G01N5/04 ,  G01N25/00

CPC分类号： G01N5/04 ,  G01K1/143

摘要： The present invention is a thermogravimetric instrument having a ceramic sample support and a ceramic balance beam. The ceramic platform is rigidly attached to the hot end of the ceramic balance beam. An inert metal liner is press fitted into the ceramic sample platform. In a preferred embodiment, a thermocouple is directly attached to the inert metal liner. The thermocouple wires are routed through the length of the ceramic balance beam and are attached to the cold end of the ceramic balance beam with adhesive. The inert metal liner could be fabricated from platinum or from platinum alloys.

摘要翻译： 本发明是一种具有陶瓷样品支架和陶瓷平衡梁的热重分析仪器。 陶瓷平台刚性地连接到陶瓷平衡梁的热端。 将惰性金属衬垫压入陶瓷样品平台。 在优选实施例中，热电偶直接连接到惰性金属衬垫。 热电偶电线穿过陶瓷平衡梁的长度，并用粘合剂连接到陶瓷平衡梁的冷端。 惰性金属衬垫可以由铂或铂合金制成。