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    Method and template for producing a tensile test coupon
    4.
    发明申请
    Method and template for producing a tensile test coupon 有权
    用于生产拉伸试样的方法和模板

    公开(公告)号：US20110067500A1

    公开(公告)日：2011-03-24

    申请号：US12799388

    申请日：2010-04-23

    Applicant: Jason A. Lawrence ,  James R. Perrault ,  Brian O'Connell

    Inventor： Jason A. Lawrence ,  James R. Perrault ,  Brian O'Connell

    IPC: G01N3/08

    CPC classification number: G01N3/08 ,  B29C65/02 ,  B29C65/8215 ,  B29C66/1142 ,  B29C66/5221 ,  B29C66/71 ,  B29C66/73921 ,  G01N2203/0298 ,  B29K2023/065 ,  B29K2023/0641

    Abstract: A method and template enable the testing of fusion joints of plastic pipes to be conducted by a single operator in the field at the welding site by the efficient and precise extraction from the joints to be tested of a number of high quality tensile coupons. The coupons are tested to failure in a field-suitable, well controlled, self contained, tensile testing apparatus. A narrowing bow-tie-like pattern of the coupon ensures that the failure of the coupon in the tensile test will occur at the narrowest section of the coupon. The template can be visually aligned with the joint to ensure that it is the joint that will be tested.

    Abstract translation: 一种方法和模板使得能够通过从要接受测试的多个高质量拉伸试样的接头进行有效和精确的提取，在焊接部位的单个操作者进行塑料管的熔接接头的测试。 在现场合适的，受控制良好的自包含的拉伸试验装置中，试样被测试失败。 优惠券的窄领蝴蝶结样式确保了拉伸试验中优惠券的失败将发生在优惠券的最窄部分。 模板可以在视觉上与关节对齐，以确保它是要测试的关节。

    Side wall fusion heater
    5.
    发明授权
    Side wall fusion heater 有权
    侧壁融合加热器

    公开(公告)号：US06239412B1

    公开(公告)日：2001-05-29

    申请号：US09225603

    申请日：1999-01-05

    Applicant: Timothy M. Thoman ,  James R. Perrault

    Inventor： Timothy M. Thoman ,  James R. Perrault

    IPC: H05B100

    CPC classification number: B29C65/2015 ,  B29C65/2061 ,  B29C65/2092 ,  B29C66/0044 ,  B29C66/112 ,  B29C66/131 ,  B29C66/52241 ,  B29C66/52298 ,  B29C66/71 ,  B29C66/80 ,  B29C66/8122 ,  B29C66/81263 ,  B29C66/81422 ,  B29C66/81423 ,  B29C66/81435 ,  B29C66/8167 ,  B29C66/91212 ,  B29C66/91231 ,  B29C66/9161 ,  B29K2023/00 ,  B29K2905/02

    Abstract: A heater for use in fusing the end of a branch polyolefin pipe to the side wall of a main polyolefin pipe of specified radius has a first plate with a convex outer surface definable as a surface generated by rotating a first straight line about a first parallel line of origin at a radius equal to the specified radius of the main pipe and a concave inner surface, a second plate with a concave outer surface definable as a surface generated by rotating a second straight line about a second parallel line of origin at a radius equal to the specified radius of the main pipe and a convex inner surface and a heating element of substantially constant thickness disposed in laminar relationship between the first and second plates, the inner surfaces of the plates being contoured so that, with the heating element in laminar relationship therebetween, the lines of origin of the outer surfaces of the plates lie a common plane. A linkage pivotally connected at one end to the fixed base of the machine and pivotally connected at another end to the moving carriage of the machine is cooperable with heater to disengage the heater from the molten branch or main pipe from which the heater does not first disengage as the molten branch pipe is moved away from the molten main pipe.

    Abstract translation: 用于将分支聚烯烃管的端部熔合到具有特定半径的主聚烯烃管的侧壁的加热器具有第一板，其具有可凸起的外表面，该外表面可定义为通过围绕第一平行线旋转第一直线而产生的表面 的原点在等于主管的指定半径的半径和凹内表面上;第二板，其具有凹形外表面，其可定义为通过围绕第二平行线绕第二平行线旋转半径相等而产生的表面 到主管的指定半径，以及设置成第一和第二板之间层叠关系的基本恒定厚度的凸形内表面和加热元件，板的内表面被轮廓化，使得与加热元件处于层叠关系 它们之间的板的外表面的原点线是共同的平面。 在一端枢转连接到机器的固定基座并且在另一端枢转地连接到机器的移动托架的连杆可与加热器配合，以使加热器与加热器不首先脱离的熔融分支或主管脱离 当熔融分支管离开熔融主管时。

    Method and template for producing a tensile test coupon
    6.
    发明授权
    Method and template for producing a tensile test coupon 有权

    公开(公告)号：US08365429B2

    公开(公告)日：2013-02-05

    申请号：US12564735

    申请日：2009-09-22

    Applicant: Jason A. Lawrence ,  James R. Perrault ,  Brian O'Connell

    Inventor： Jason A. Lawrence ,  James R. Perrault ,  Brian O'Connell

    IPC: G01B3/14

    CPC classification number: G01N3/08 ,  G01N2203/0298

    Abstract: A method and template enable the testing of fusion joints of plastic pipes to be conducted by a single operator in the field at the welding site by the efficient and precise extraction from the joints to be tested of a number of high quality tensile coupons. The coupons are tested to failure in a field-suitable, well controlled, self contained, tensile testing apparatus. A narrowing bow-tie-like pattern of the coupon ensures that the failure of the coupon in the tensile test will occur at the narrowest section of the coupon. The template can be visually aligned with the joint to ensure that it is the joint that will be tested.

    Method and template for producing a tensile test coupon
    8.
    发明授权
    Method and template for producing a tensile test coupon 有权
    用于生产拉伸试样的方法和模板

    公开(公告)号：US08371036B2

    公开(公告)日：2013-02-12

    申请号：US12799388

    申请日：2010-04-23

    Applicant: Jason A. Lawrence ,  James R. Perrault ,  Brian O'Connell

    Inventor： Jason A. Lawrence ,  James R. Perrault ,  Brian O'Connell

    IPC: G01B3/14

    CPC classification number: G01N3/08 ,  B29C65/02 ,  B29C65/8215 ,  B29C66/1142 ,  B29C66/5221 ,  B29C66/71 ,  B29C66/73921 ,  G01N2203/0298 ,  B29K2023/065 ,  B29K2023/0641

    Abstract: A method and template enable the testing of fusion joints of plastic pipes to be conducted by a single operator in the field at the welding site by the efficient and precise extraction from the joints to be tested of a number of high quality tensile coupons. The coupons are tested to failure in a field-suitable, well controlled, self contained, tensile testing apparatus. A narrowing bow-tie-like pattern of the coupon ensures that the failure of the coupon in the tensile test will occur at the narrowest section of the coupon. The template can be visually aligned with the joint to ensure that it is the joint that will be tested.

    Abstract translation: 一种方法和模板使得能够通过从要接受测试的多个高质量拉伸试样的接头进行有效和精确的提取，在焊接部位的单个操作者进行塑料管的熔接接头的测试。 在现场合适的，受控制良好的自包含的拉伸试验装置中，试样被测试失败。 优惠券的窄领蝴蝶结样式确保了拉伸试验中优惠券的失败将发生在优惠券的最窄部分。 模板可以在视觉上与关节对齐，以确保它是要测试的关节。

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