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公开(公告)号：US20140341675A1
公开(公告)日：2014-11-20
申请号：US14274332
申请日：2014-05-09
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN
CPC classification number: F16B37/14 , B64D45/02 , F16B33/004 , F16B43/02 , Y10T29/49982 , Y10T29/52
Abstract: The description provides a method of forming a seal around an end of a fastener protruding from a structure. The cap includes a cap body with a cavity; a sealing material inlet comprising an opening in the cap body; three or more ridges protruding from the cap body into the cavity; and three or more channels between the ridges. The method includes: installing the cap body over the end of the fastener so that it is enclosed within the cavity and contacted by the ridges; injecting sealing material into the cavity via the sealing material inlet so that the sealing material flows along the channels, fills the cavity, contacts the end of the fastener, and contacts the structure; and curing the sealing material to form the seal.
Abstract translation: 该描述提供了在从结构突出的紧固件的端部周围形成密封件的方法。 盖包括具有空腔的盖体; 密封材料入口，其包括在盖体中的开口; 三个或更多个凸起从帽体突出到腔中; 和脊之间的三个或更多个通道。 该方法包括：将盖体安装在紧固件的端部上，使其被封闭在腔体内并与脊部接触; 通过密封材料入口将密封材料注入到空腔中，使得密封材料沿着通道流动，填充空腔，接触紧固件的端部并接触结构; 并固化密封材料以形成密封。
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公开(公告)号：US20220136551A1
公开(公告)日：2022-05-05
申请号：US17515363
申请日：2021-10-29
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN , Matthew CROSS , Matthew WEBSTER
Abstract: A method of joining a first workpiece to a second workpiece is disclosed including securing a spark containment cap to the first workpiece, the cap comprising an electrically insulating washer and a cap body defining an air cavity. Once the cap has been secured, a tail of a fastener is inserted into the air cavity through the second workpiece, the first workpiece and the washer. Upon tightening the fastener, the tail of the fastener urges the washer against the first workpiece and the first and second workpiece are thereby clamped between the washer and a head of the fastener so as to form a joint. Advantageously, it has been found that forming a joint in this manner can help to better protect the joint from the effects of electrical arcing.
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公开(公告)号：US20190301515A1
公开(公告)日：2019-10-03
申请号：US16366236
申请日：2019-03-27
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN , Julien LEGRAND , Julien ASSEMAT , Thomas MONAGHAN
Abstract: A cap for forming a sealed cavity around an end of a fastener protruding from a surface of a structure is disclosed. The disclosure relates to a spark prevention cap. The cap has an annular base with an annular base terminating at a base rim. The base rim surrounds an opening into a central cavity for receiving the end of the fastener. The base rim lies in a base rim plane around at least a majority of a circumference of the annular base. An annular skirt provides an annular pocket in which a sealant material is received. A biasing configuration is configured to positively bias the base rim against the surface of the structure.
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公开(公告)号：US20160273572A1
公开(公告)日：2016-09-22
申请号：US15068712
申请日：2016-03-14
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN , Mark SCARROTT
CPC classification number: F16B39/021 , B64D45/02 , F16B33/004 , F16B43/001
Abstract: A self-sealing fixing element is disclosed having a body with a bearing surface, and a bore with an opening in the bearing surface. A curable sealant layer is carried by the bearing surface and encircles the opening in the bearing surface. The curable sealant layer is formed from a sealant material which cures when exposed to atmosphere. A barrier layer overlays the curable sealant layer and can break apart when the fixing element is installed in order to expose the sealant layer to atmosphere. The curable sealant layer has a thickness which decreases away from the bore, and the barrier layer has a thickness which increases away from the bore.
Abstract translation: 公开了一种自密封固定元件，其具有带轴承表面的主体和在支承表面中具有开口的孔。 可固化的密封剂层由支承表面承载并且环绕轴承表面中的开口。 可固化密封剂层由暴露于大气中时固化的密封材料形成。 阻挡层覆盖可固化的密封剂层，并且当固定元件被安装以便将密封剂层暴露于大气时可以分离。 可固化密封剂层具有从孔减小的厚度，并且阻挡层具有从孔增加的厚度。
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公开(公告)号：US20160169266A1
公开(公告)日：2016-06-16
申请号：US14964475
申请日：2015-12-09
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN , Ben HUMPHRYS
CPC classification number: F16B37/14 , B64D45/02 , F16B33/004
Abstract: A spark containment cap is disclosed for enclosing an end of a fastener protruding from a structure. The cap includes a cap body having an annular base terminating at a rim which surrounds an opening into an air cavity arranged to enclose the fastener end and having an aperture in fluid communication with the cavity. An annular bead of uncured sealing material is provided around the opening into the cavity, the bead of sealing material being curable to provide a seal between the cap body and the structure to seal a volume of gas within the cavity. A closure member has a closed configuration in which it seals the aperture, and an open configuration in which it does not seal the aperture.
Abstract translation: 公开了一种用于封闭从结构件突出的紧固件的端部的火花塞容纳帽。 盖包括盖体，其具有终止于边缘处的环形基部，该边缘围绕设置成封闭紧固件端部并具有与腔体流体连通的孔的空气腔的开口。 将未固化的密封材料的环形小珠设置在进入空腔的开口周围，密封材料珠可固化以在盖主体和结构之间提供密封，以密封空腔内的一定体积的气体。 封闭构件具有闭合构造，其中密封孔，以及未密封孔的打开构造。
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Patent Agency Ranking
公开(公告)号：US20160159493A1
公开(公告)日：2016-06-09
申请号：US14908914
申请日：2014-07-02
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN , Anthony DOWSON
CPC classification number: B64D45/02 , F16B33/004 , F16B37/14
Abstract: A joint is disclosed having a structure, a fastener passing through the structure with an end of the fastener protruding from the structure, and a cap installed on the end of the fastener. The end of the fastener includes an axially extending shaft, a fastener head carried by the shaft, and one or more washers located between the fastener head and the structure, the one or more washers spacing the fastener head and the structure apart by a distance. The cap has a cap body with a cavity which encloses the end of the fastener, and the joint further comprises a cured sealing material which seals the cavity. One of the fastener head and the cap body is formed with two or more first locking features which are axially spaced apart by a pitch.
Abstract translation: 公开了一种具有结构的接头，通过结构的紧固件，紧固件的端部从结构突出，以及安装在紧固件的端部上的盖。 紧固件的端部包括轴向延伸的轴，由轴承载的紧固件头部和位于紧固件头部和结构之间的一个或多个垫圈，一个或多个垫圈将紧固件头部和结构间隔开距离。 该盖具有一个盖体，其具有封闭紧固件端部的空腔，并且接头还包括密封空腔的固化的密封材料。 紧固件头部和帽体之一形成有两个或更多个第一锁定特征，其轴向间隔开一个间距。
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公开(公告)号：US20160069376A1
公开(公告)日：2016-03-10
申请号：US14785197
申请日：2014-04-16
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN , David LIVERSAGE
IPC: F16B33/00
CPC classification number: F16B33/004 , B64D45/02 , F16B11/006 , F16B37/14
Abstract: The present invention proposes a cap for forming a sealed cavity around one end of a fastener to thereby contain out-gassing and sparking events in the event of a lightning strike to the fastener. The invention also proposes a joint comprising such a cap, and a kit of parts and method for installing such a cap. A cap according to the invention comprises: an inner cap member having an annular base terminating at an edge which surrounds an opening into an air cavity for enclosing the one end of a fastener; and an outer cap member having an annular skirt or flange which extends radially outwardly away from the annular base, the annular skirt or flange and annular base between them defining an annular sealing cavity. The cap also comprises a sealing material inlet comprising an opening in the outer cap member that is in fluid communication with the annular sealing cavity, the opening being arranged to interconnect with a sealing material injection device to provide a flow of curable sealing material from the sealing material inlet into the annular sealing cavity. The outer cap member has an inner surface formed with a first locking feature, and the inner cap member has an outer surface formed with a second locking feature which forms a snap-fit joint with the first locking feature.
Abstract translation: 本发明提出了一种用于在紧固件的一端周围形成密封空腔的盖，从而在对紧固件发生雷击的情况下容纳排气和火花事件。 本发明还提出了一种包括这种盖子的接头，以及用于安装这种盖子的一套零件和方法。 根据本发明的盖包括：内盖构件，其具有环形基部，该环形基部终止于边缘，该边缘围绕用于封闭紧固件的一端的空气腔的开口; 以及外盖构件，其具有径向向外延伸远离环形底座的环形裙部或凸缘，环形裙部或凸缘以及它们之间的环形底座限定环形密封腔。 所述盖还包括密封材料入口，所述密封材料入口包括在所述外盖构件中与所述环形密封腔流体连通的开口，所述开口被布置成与密封材料注入装置互连，以提供可密封材料从密封件 材料入口进入环形密封腔。 外盖构件具有形成有第一锁定特征的内表面，并且内盖构件具有形成有第二锁定特征的外表面，其与第一锁定特征形成卡扣配合接合。
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公开(公告)号：US20220135247A1
公开(公告)日：2022-05-05
申请号：US17647991
申请日：2022-01-14
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN
Abstract: A spark containment cap for forming a sealed cavity around an end of a fastener protruding from a structure is disclosed having a cap body with an annular base terminating at a rim which surrounds an opening into an air cavity arranged to enclose the end of the fastener. An annular sealing volume extends around the rim arranged to receive an annular bead of a curable sealing material around the opening into the cavity to provide a seal between the cap body and the structure to seal a volume of gas within the cavity. An engaging feature is configured to engage with the end of the fastener to prevent rotation of the fastener relative to the cap when the end of the fastener is received by the cap. A fastening system, a joint, an aircraft and a method of securing a fastener and a spark containment cap to a structure are also disclosed.
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公开(公告)号：US20220135246A1
公开(公告)日：2022-05-05
申请号：US17427550
申请日：2020-05-28
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN
Abstract: A spark containment cap forms a sealed cavity around an end of a fastener protruding from a structure. The cap has a cap body defining an air cavity enclosing the end of the fastener. The cap body includes an annular base (210) terminating at a base rim (211) surrounding an opening into the air cavity. An annular skirt of the cap provides an annular sealing volume extending around the base rim to receive an annular bead of a curable sealing material around the opening into the cavity to provide a seal between the cap body and the structure to seal a volume of gas within the cavity. The cap body includes a cap upper to receive the end of the fastener. The cap upper (220) is positionable so that an axis of the cap upper is offset from an axis of the annular skirt (230).
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公开(公告)号：US20170146048A1
公开(公告)日：2017-05-25
申请号：US15423111
申请日：2017-02-02
Applicant: AIRBUS OPERATIONS LIMITED
Inventor： Richard DOBBIN
Abstract: A cap for forming a sealed cavity around one end of a fastener, the cap having a two-piece construction comprising an outer cap member and an inner cap member. A quantity of sealant is provided between the inner and outer cap members which, upon installation of the cap, is urged to flow between the inner and outer cap members and collect at the base of the outer cap member, to form a bead of sealant around the circumference of the cap, sufficient to adhere the cap to the structure when the sealant cures. A plurality of channels are provided between the inner and outer cap members to facilitate the flow of sealant.
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