Патент USA US2409908код для вставки
Oct 22’ 1945- ’ L. SHAKESBY Erm. ì 2,409,907 MEANS FOR SECURING FITTINGS TO CONTAINERS ` Filed April ‘7, 1945 . 'QM/tz@ ßlüßrfwy ' Patented Oct. 22, 1946 2,409,907 UNITED STATES PATENT oFFlcE 2,409,907 MEANS FOR SECURING FITTINGS T0 CONTAINERS Leonard Shakesby and Charles Andrew ROY Sutherland, Wolverhampton, and Sydney Hartley Smith, Manchester, England, assign ors to Imperial Chemical Industries Limited, a corporation of Great Britain Application April 7, 1943, Serial No. 482,218 In Great Britain March 5, 1942 12 Claims. (Cl. 285-25) 1 2 This invention relates to means for securing ñller caps, inspection covers, outlet pipes and like or the like in screw-thread engagement With the fittings to fluid containers, of the kind in which are formed oversize with respect to the Shanks of the said bolts and locking means are provided in association with the said inner member and heads of said bolts, said locking means being of thakind said bolts, characterised in that the said apertures the material of the container adjacent an aper ture in the Wall thereof is clamped between a sub stantially rigid annular member located on the adapted during assembly to permit limited rotary inner surface of the container and a substantially and/or longitudinal movement of the bolts rela rigid annular member or plate-like member on tive to the inner member, sealing means being the outer surface of the container. The invention is applicable to such fittings for fuel and oil con 10 also provided to ensure liquid-tight joints as be tween the said inner member and said bolts. v tainers for aircraft and other vehicles. The invention has the advantage that the bolts, whilst prevented from being displaced or rotated, may be wobbled slightly in the assembling oper and outer members by means of a plurality of 15 ation which is thereby greatly facilitated. The invention may be applied to metal or flexible con nuts or the like in screw-thread engagement with tainers. Where fittings are to be applied to a bolts extending through. aligned apertures in the Usually in the attachment ofsuch fittings to a container, the material of the container adjacent the aperture therein is clamped between the inner metal container, the outer annular member or said members and in the material of the con plate member may constitute a portion of the y tainer, sealing washers or the like being provided to` make a liquid-tight joint. In certain circum 20 fitting. Where the fittings are to beapplied to a flexible container, the outer member preferably stances, as for example where the fitting is of comprises a separate portion ancillary to the fit small dimensions and is more or less inaccessible, ting which is secured to the inner annular mem somediñiculty is experienced in entering the bolts through the appropriate apertures in the annular , ber by means additional to the aforesaid bolts, members and container, and also in preventing 25 for example by countersunk bolts which bolts do not contribute to the attachment of the fittings the bolts from rotating or being dislodged when to the container. a nut or the like is being entered into screw Preferably the bolts associated with the locking thread engagement therewith. One method of means are provided with heads at hexagon or preventing the bolts from being dislodged com prises entering them in screw-thread engagement 30 other non-circular cross-section. The said lock ing means may comprise hexagonal-section cap » with the annular rmember which is located on the inside of the container so that the Shanks of the members of known form having a `lug or ear pro bolts protrude outwardly through the container vided thereon, the said cap-members being mounted on the hexagon head bolts and being se wall. This method has the disadvantage that the shanks of some of the bolts are liable to be some 35 cured by the said ears to the inner annular mem ber. Alternatively, the locking means may com What deflected from the true normal so that the prise an annularring-member which is secured positioning of the outer annular member orplate to the inner annular member, and which is pro member is dif?cult, and moreover when »a nut is vided with portions adapted to bridge the heads entered and rotated in screw-thread engagement with the shank of the bolt the said bolt tends to 40 of the bolts and to engage one or more flats formed on the said heads. become partly unscrewed from the inner annular Two embodiments of our invention as applied member. to the attachment of an outlet pipe to a self-seal The object of the present invention is to provide ing flexible fuel tank for aircraft are illustrated improved means of the kind described in which the aforesaid disadvantages are overcomein a 45 in the accompanying drawing in whichA simple and effective manner. ~ According to the present invention we provide improved means of the kind described »for se curing filler caps and like fittings to fluid con Figure l is a perspective View of a portion of an annular member provided with bolts, sealing means and bolt locking means in accordance with one embodiment of the invention. Y - tainers, in which the innerv annular member is 50,l Figure 2'is a part sectional perspective viewof providedV with a plurality of ` bolts or the like a portion of a flexible fuel container having an adapted to extend through aligned apertures in outlet pipe attached thereto by means of the the-inner and outer members, which members in ' embodiment of the inventionv shown in Figure 1. Figure 3 is a perspective view of a portion of an the _assembled position are firmly clamped upon the material of the container by a plurality of nuts 55 annular member pI‘OVíded With bolts, Sealing _î ' 2,409,907 3 Íneans and bolt locking means in accordance with another embodiment of the invention. Referring to the drawing in which like numer sequence on the Shanks of the hexagon head bolts, and nuts 22 are entered in screw-thread engagement with the said bolts and tightened als denote like parts and particularly to Figures down so that the various parts are-firmly pressed together in liquid tight relation. The self-sealing covering is cut away to permit the said parts to` 1 and 2, a 'flexible fuel container comprises a layer I of fabric material which is treated in a suitable manner toV render it impervious to'liq- _ -be thus assembled. A clamp-ring 23 of which the outer edge is turned over as shown at 24 is pro vided .with apertures to accept the Shanks of the bolts I5 and is mounted thereon. Nuts 25 are then entered on the bolt Shanks and tightened uid fuel, and an outer self-sealing covering con sisting of a layer 2 of swellable rubber composi tion and an outer layer 3 of fabric material. An aperture 4 is provided in the fabric layer I to constitute an outlet from the said container, and a reinforcing ring 5 of similar fabric material is adhesively secured on the inner surface of the said layer I. The ring 5 and fab-ric layer I are secured between a substantially rigid annular N down so thatthe turned-over edge 24 of the 'clamp ring bites into the self-sealing covering which is thus clamped, together with the fabric layers I and 5, between the bolt-ring and clamp ring. The said nuts 22 and 23 are also a self-lock ing type. member 6 (hereinafter referred to as a bolt-ring) adjacent the fabric ring 5 and another substan In another embodiment of our invention of tially rigid annular member 'I (hereinafter re which a portion of the bolt-ring is shown in Fig ferred to as a face ring) adjacent the fabric layer 20 ure 3, the locking means for the bolt I5 com I by means of counter-sink head bolts 8 which prises a locking ring 26 having portions 21 adapt extend through aligned apertures 9 in the s_aid ed Yto bridge the heads of the bolts to engage fabric and said rings and which engage self-lock two opposite flats thereof. The said locking ring ing nuts Ill, the heads of the said bolts being counter-sunk ñush with the adjacent face of the face-_ring and washer II Ibeing provided between the said nuts Inl and bolt ring 6. The inner diameters of the said bolt-ring 6 and face-ring is riveted to the bolt-ring by rivets 28 in similar manner to the caps I1. Y In stil1 another embodiment of our invention, (not shown in' the drawing) the bolt-ring'is of channel section, the distance between the flanges fl’ are substantially of the same dimensions and of the channel section corresponding to the di correspond to the dimensions of the aperture 4 30 mensions of the heads of the bolts measured in the fabric layer I and ring 5. The outer diame across the flats, so that the heads- of the »bolts ter of the bolt-ring 6 is somewhat greater than are non-rotatably seated in the said channel sec the outer diameter of the face-ring 1, for a pur tion. In this embodiment'of the invention, a pose described hereinafter. A sealing ring I2 is substantially flat annular ring is `securedto the seated between the face-ring 'I and the flange I3 35 bolt-ring to prevent longitudinal displacement of of a hanged outlet tube I4. The bolt ring 6 is the bolts. Alternatively, the flanges of the bolt-provided with a plurality of heXagon-head bolts ring may be peened over the bolt headsto pre. _I 5 which extend freely through aligned apertures vent in the aforesaid bolt-ring, fabric layers, face displacement thereof. Y , . “ . ring, sealing ring, and flange ofV the outlet pipe. 40 Whilst we have illustrated and described two embodiments of our invention as lapplied to the attachment of a flanged outlet pipe to a self riveted to the bolt-_ring by rivetsrIS extending vthroughapertures 20,in the »bolt-ring. The said like. The said bolts are inserted through the apertures in the bolt-ring prior to assembly of the afore sealing fuel container, it is to be understoodA that said parts, and are provided with sealing washers the invention may be employed for ,the attach-Í l I6located between the heads of the bolts and the ment of other fittings as for example inspection bolt-ring.l A pressed-out heXagon-shaped cap I'I 45. covers, filler-caps, sump-plates, hand-hole covers, 4is also fitted over the head of each bolt prior to recording instruments,- or the like, to containers assembly of the parts, the said caps having lugs for fuel, oil, or other liquids. The invention may orjears I8 formed thereon which lugs or ears are also be applied to containers for gases and Vthe apertures 20 are counter-sunk bored as shown at .2| (Figure 1) and the saidl rivets I9 are finished flush with the corresponding face of the bolt-ring. » - We claim: f Y- ' - > _ 1. Means for securing ñller caps and like., ñt 4tings to a fluid container having a filling aper ture, comprising an inner annular member and The dimensions of thesaid capsA are such that an outer annular member between which an edge the bolts are prevented from rotating but are . _ of the apertured container material is held; an permitted a limited amount of longitudinal move ment in the apertures through the bolt-ring as shown in Figure 2. ‘The component parts thus far described are assembled in the following manner:Y The bolt-ring, with heXagon-head bolts and caps fitted thereto-as described hereinbefore is in serted into the flexible container, the Shanks of the said :bolts being manipulated through the corresponding apertures in the fabric material to project outwardly therefrom and the face-ring is mounted onthe vprojecting Shanks. This is apertured filler fitting registering with the icon itainer filling aperture 4and having Va flange VVdis posed .in alignment with said outer annular-mem, ber; bolts securing said> annular members` and said ñller Vfitting flange together vand passing through oversize holes in said -inner annular member to permit movement of the boltshanks for ready engagement into the apertures in the component parts during assembly; and means to 65 engage said’bolts and limit rotary’and „longitu I dinal bolt movement. Y easily achieved, since the caps I'I prevent the 2. Means for securing filler ,capsv and like fit tings to a fiuid container having a filling aperture, » eration. The counter-sink head bolts 8 are then comprising an inner «annular member *andi an inserted through the apertures 9 and washers I I, 70 outer annular member between which _an edge ‘of bolts from becoming dislodged during this op and the nuts II) are entered on the said bolts the apertured container material `Iis'held;- bolts and tightened down, so that the fabric material Àlayers I and@ are firmly held between the bolt passing through aligned apertures in said annular ring 6 and Yface-ring. »The sealing ring I2 and filler fitting registering with the container ñlling members and the container edge; _an apertured flange I3 ofthe outlet pipe are vthen mounted in ,75. aperture and‘having a ñange disposedV in aligni `atraso? 5 ment with said outer annular- member; afsecond edgeland fitting flange to hold said parts in sealed relation, and a clamping ring ‘mounted lon `the lower ends of said bolts `andextending outwardly Vsubstantially cto-extensive `with said upper an the bolt shanks »forïready engagement into the 'apertures in the component parts during assem Cl nular member to clamp the container » material set of bolts passing through `oversizelholes in said inner annular member to permitrmovement of - bly; and means to engage said bolts and .limit , rotary and longitudinal bolt movement. l l f 3. Means for securing illler caps and like‘fit therebetween. . , . 7. Means for securing ñller ‘caps and like‘fit tings `to a fluid container having .a ñlling laper ture formed in a layer of flexible container ma ,tings `to a fluid container having a ñlling `aper ture, comprising an inner annular member and 10 terialand in an outer self-sealing covering ma terial, comprising an inner annular member and an outer annular member between which an edge an outer annular member of smaller diameter ofthe apertured container material ,is held; an between which an edge of the flexible apertured apertured ñller'ñtting registering with the con container material is held; bolts passing through tainer filling aperture and having a flange dis posed inalignment withsaid outer annular mem 15 aligned apertures in said annular members and the container edge; an apertured ñller fitting reg bers;.‘bolts passing .through oversize holes in said istering with the container filling aperture'and innner annular member to permit movement of having a flange disposed in alignment with said the bolt .Shanks for ready `engagement 'intothe apertures in the component parts during :assem outer annular member; a‘ second set of bolts se bly of the container edge and fitting flange; and 20 curing said annular members and said liller-iit ting ilange together and passing through oversize cap members engaging the heads of said bolts to holes in said inner annular member to permit limitrotary and longitudinal bolt movement. movement of the bolt shanks for ready 'engage'-` 4. Means for securing ñller caps and like llt ment into the apertures in the component parts tings to a fluid container having a filling aper ture, comprising an inner annular member and 25 during assembly of the container edge and fit an outer annular member between which an edge of the apertured container material is held; an ting flange to hold said parts in sealed relation, and a clamping ring mounted on the lower ends of said last-named bolts and extending outwardly apertured filler fitting registering with the con substantially coextensive with said upper annu tainer illling aperture and having »a flange dis posed in alignment with said outer annular 30 lar member to clamp the outer self-sealing cover ing material therebetween. member; bolts securing said annular members and said filler fitting iiange together and passing 8. Means for~ securing filler caps and like fit tings to a fluid container of flexible material hav through oversize holes in said inner annular ing a lilling aperture formed in a layer of flexible member to permit movement of the bolt shanks for ready engagement into the apertures in the 35 container material and in an outer self-sealing component parts during assembly, and a strip material, comprising an inner annular bolt ring and an outer annular face ring of smaller diam secured to said inner annular member and hav eter between which the edge of .the apertured ing cap members engaging the heads of said layer of flexible material is held; bolts passing bolts to limit rotary and longitudinal bolt move ment. 40 through said bolt and face rings and the ilex ible container edge; an apertured illler ñtting 5. Means for securing filler caps and like ñt registering with the container filling aperture and tings to a fluid container having a ñlling aper having a flange disposed in alignment with said ture, comprising an innner annular member and an outer annular member between which an edge outer annular member; a second set of bolts se of the apertured container material is held; coun 45 curing said annular members and said filler fit tersunk bolts passing through aligned -apertures ting ilange together and passing through oversize holes in said bolt ring to permit movement of the in said annular members and the container edge; an apertured fitting registering with the con bolt Shanks for ready engagement into the aper tures in the component parts during assembly of tainer iilling aperture and having a flange dis posed in alignment with said outer annular mem 50 the container edge, face ring, and fitting flange ber; a sealing ring between the flange of said to hold said parts in sealed relation; and a clamp ing ring mounted on the lower ends of said bolts ñtting and said inner annular member; a second and extending outwardly substantially co-exten set of bolts securing said annular members and said filler fitting llange together and passing sive with said bolt ring to clamp the container throughv oversize holes in said inner annular mem 55 and self-sealing covering material therebetween. bers to permit movement of lthe bolt Shanks for 9. Means for securing filler caps and like llt ready engagement into the apertures in the com tings to a fluid container of flexible material ponent parts during assembly, and means to en- ’ having a ñlling aperture formed in a layer of ilex gage said bolts and limit rotary and longitudinal ible container material and in an outer layer of bolt movement. “ 60 swellable rubber, comprising an inner bolt ring 6. Means for securing filler caps and like fittings and an outer face of smaller diameter between to a fluid container having a filling aperture, which the edge of the apertured flexible layer of comprising an inner annular member `and an material is held; bolts passing through aligned outer annular member oi smaller diameter be apertures in said rings and the edge of the ma tween which an edge of the apertured container 65 terial; an apertured filler fitting registering with material is held; bolts passing through aligned the container filling aperture and having a flange apertures in said annular members and the con disposed in alignment with said face ring; a sec .tainer edge; an apertured ñlled iltting registering ond set of bolts passing through oversize holes in with the container filling aperture and having a said bolt ring to permit movement of the bolt flange disposed in alignment with said outer an 70 Shanks for ready engagement into the apertures nular member; a second set of bolts passing in the component parts during assembly of the through oversize holes in said inner annular mem container edge and iltting flange to hold said ber to permit movement of the bolt Shanks for partsl in sealed relation; and a clamping ring ready engagement into the apertures in the com mounted on the lower ends of said bolts and ex ponent par-ts during assembly of the container 75 tending outwardly substantially co-extensive with 2,409,907 8 said bolt ring to clamp theswellable rubber of said bolts, and means> carried by said inner .annular outer‘layer therebetween. member engaging the heads ofsaid bolts to,A limit ` j . .10. Means for securing filler caps and like fit tings to a fluid containerhaving a ñlling aper ture, comprising an annular> member secured in teriorly of said container about the filling aper-V ture and having oversized bolt holes; bolts passing through the holes in said annular member to per mit restricted angular vmovement of said bolts, rotation and longitudinal movement thereof.V , . 12. Means .for securing nller caps and like lit-V tings toca. flexible ñuid container having aV ñlling aperture, comprising an inner annular member disposed interiorly .of said container about the ñlling aperture and having oversized bolt holes; an outer annular member disposed exteriorly of and means engagingrthe heads .of said bolts to 10 said container about _the filling. aperture; bolts to limit rotation and longitudinal lmovement there 0l'. ' . . i _ . 11. Means for securing ñller. caps and like ñt tings to a ilexible fluid container having a ñlling clamp said annular members together about the containeraperture with an edge. of the apertured container. material therebetween; Va second set .of bolts passing through the oversized holes in said aperture, comprising an inner annular member 15. inner annular member to permit restricted auf secured interiorly of said container about the fill gular movementof said bolts, and meanscarried ing aperture and having oversized bolt holes; an by said inner annular container engaging the annular member secured exteriorly of said con heads of said bolts to limit rotation >and longitu tainer about the filling aperture and between dinal movement thereof. . , . ‘ ' which members an edge of the apertured con 20. tainer material is clamped; bolts passing through . LEONARD sHAKEsBY. _ . the over-sized holes in said inner annularY mem CHARLES A-.VR. SUTHERLAND. .1 lber to permit restricted angular movement of said SYDNEY H. SMITH. _ .