NOV. 26, 1946. ' ' ' Q P_ KRUPP ~ v '. 2,411,830 PROTECTIVE CLOTHING Filed Dec. 13, 1945 2 Sheets-Sheét 1 JZ'YL/EEEL ' [5550/] PM? Nov. ‘26, 1946. ‘ c. P. KRUPP fROTECTIVE CLOTHING ’ Filed Dec. 13, 1943 ' ‘ 2,411,830 I 2 sheets-sheet 2 I 14 I ' 2/ MEL _ CEEEUZ/ fif-EZJPP 2,411,830 Patented‘ Nov. 26, 1946 UFJlTED STATES ‘PATENT OFFICE 2,411,830 ' . PROTECTIVE CLOTHING ' Carroll Krupp, Akron, Ohio, assignor to The B. F. Goodrich Company, New Xork, N. Y., a corporation oi New York Application December 1a, 1943, Serial No. 514,007 9 Claims. (Cl. 2-82) 1 ing ?otation suits. 2 Fig. 8 is a section taken along line lie-e8 oi This, invention relates to protective clothing and especiallyto suits of water-tight construction substantially enclosing the wearer’s body, includ 7, parts being broken away. > In the illustrative form of the invention shown in Figs. 1 to 4, inclusive, the ?otation suit, hav 1 ing an opening for accommodating the neck of The invention is useful especially in the con the wearer is 7made of ?exible material such, for > struction of water-tight suits such, for example, as may be used for fording streams or by mari ners immersed in the ocean during an emergency. Also, the invention is applicable in many of its features to other forms of protective clothing such 10 as sleeping bags, sports clothing, and other com plete or partial body coverings. Principal objects of the invention are to provide clothing effectively protecting the wearer’s body againstobjectionable exposure; to provide water tightness of the clothing; to provide convenience . of donning and do?ing the clothing; to provide for sealing an opening in the clothing; to pro vide for admitting a portion of the wearer's body example, as fabric textile material having a sub stantially impervious coating or impregnation of resilient' rubber or other rubber-like material, which ?exible material possesses the desired chars acteristics of relatively light-weight, strength, and water-tightness. The suit ‘preferably sub. stantially encloses the wearer’s body and com prises a torso covering ‘ID, arm coverings H and l2 and leg coverings, and may include ahead piece Hi, all of such parts being united at adja cent margins as by sewing, or a suitable adhesive such, for example, as rubber‘ cement, or both. The headpiece I3 may have a fullness at the nape into the clothing; and to provide simplicity of 20 of the wearer’s neck for facilitating head move ment.- Gloves and boots may also be provided and construction, convenience of manufacture, and similarly united with the arm and leg coverings convenience and effectivenss of operation. for protecting the hands and the feet of the ' Other objects of the invention are to provide comfort to the wearer; to providefor sealing a neck opening in the clothing in a relatively com wearer. torso covering ill in the upper reaches of 2.5,itsThe continuously extending front portion may have fortable manner to the wearer; andto provide considerable fullness at 14, like a has 01? pouch, for conveniently adjusting and maintaining the clothing positioned at the neck of the wearer in sealing relation therewith. . for de?ning the relatively large extent of the neck opening and» sealing arrangement which fa I admitting the wearer’s body therethrough These and other objects and advantages of 30 cilitates and conveniently donning and dofllng the suit. the invention will be apparent from the follow Such fullness of the torso covering also facilie ing description. , tates including auxiliary flotation apparatus and 'In the accompanying drawings, which form other articles within the Suit which the wearer a part of the speci?cation and in which like ' may desire to pro-tect'against the water. numerals are employed to designate like parts 35 _ The neck opening and sealing arrangement in throughout the same, cludes, as shown especially in Figs. 1 to 4}, a sub Fig. 1 is a side view of a ?otation‘ suit includ stantially solid or non-in?atable sealing pad or ing a headpiece, and constructed in accordance strip element l5 of relatively soft, compressible with and embodying the invention, parts being and yieidable material such, for example, as resil broken away, ' Fig. 2 is a front view of the suit showing a neck opening and sealing arrangement in the open condition, parts being broken away, ‘Fig. 3 is a section taken along line 3—-2 of Fig. 2, . Fig. 4 is a section taken along line 4—-4 of Fig. 1, Fig. 5 is a view like Fig. 1 showing a modi?ed construction of the suit, parts being broken away, Fig. 6 is a section taken along line 6--6 of Fig.5, . , , ‘ Fig. 7 is a view from above, the suit showing the modi?ed neck opening and‘sealing arrange ment in the open condition. parts being broken away, and 1 " . . ient, sponge rubber or other rubber-l1kematerial having cushioning characteristics by virtue of its resiliency,'the p'ad element I5 having desirably a substantially impervious, relatively smooth coat ing or covering of suitable resilient rubber-like material for preventing absorption of water and such element is‘constructed so that‘it presents a uniform,"no_n_-deviou's inner sealing face to the wearer’s neck.’ The pad element 15 including ends l6 and I‘! may be molded and vul 5.0 tapered canized in the form of a split annular ring of su?icient extent to completely embrace the neck, and the tapered ends it and I‘! are in overlapping relationship with one another forthe closed con 55 dition of such neck opening arrangement. 3 2,411,830 For positioning the pad element l5 for effective sealing action, such element is mounted at the inside of a margin 58 of the opening and may be attached partially along its extent to such mar gin at the back of the torso covering Ill as by a suitable adhesive. The margin 88 comprises a folded strip or ?attened tube 26 of suitable sub stantially water-tight, ?exible fabric textile, ma 4 relatively thick pad element as compared to the ?exible margin l8 accommodates variations in tautness of the draw-string 2! without substan tial discomfort to the wearer. In do?ing the suit the tautness of the draw string is released by operation of the clamping member 22 permitting the tube 29 to be extended from its puckered condition until the neck open terial extending continuously about the opening ing arrangement is in the open condition, as and attached as by sewing, or a suitable adhesive, 10 shown especially in Fig. 2. The headpiece and or both along its lower marginal portion 24 to pad element are removed from the head and neck, a margin [9 of the opening in the torso cover ‘.‘respectively, and the wearer’s body withdrawn ing. The material of the ?attened tube 20 may be through the neck opening. more ?exible and lighter in weight than that of , For the modi?ed construction of the suit shown the torso covering to facilitate puckering into a 15 in Figs.‘ 5 to S,‘ inclusive, the neck opening and multiplicity of relatively small, closely contacting, sealing arrangement includes a substantially solid ?at folds positionable against the pad element. or non-in?atable sealing pad element 25 disposed A flexible draw-string 2'! of braided linen cord, ‘ at the back of the opening and a second sub for example, is disposed within the ?attened tube stantially solid or non-in?atable sealing pad ele 20, as shown especially in Figs. 3 and 4. The end 20 ment 25 at the front thereof, the respective pad portions of the draw-string 2| extend through an elements being of suitable resilient, sponge rub aperture in the tube 20 at the front of the torso ber-like material having cushioning characteris covering and desirably extend through a suitable tics and having a suitable impervious coating or quick-release clamping member 22 whereby the covering. _ tube 26 may be puckered substantially along its 25 The sealing pad element 25 including tapered extent by tautening the draw-string to obtain ends 21 and 23 partially embraces the wearer’s the closed condition of the neck opening arrange neck and may be mounted within a back portion ment and to deform and retain the pad element at 29 of a folded strip or ?attened tube 39 of suitable and about the wearer’s neck in a cushioning man nor for sealing relation therewith. Other means such, for example, as a strap and fastener may be used to retain the pad‘ element in its closed con dition at the neck and to coact substantially in ~ the manner of the draw-string 2i within the tube , ?exible, substantially water-tight, fabric textile material, the tube 30 extending about the neck opening and being attached as by sewing, or a suitable adhesive, or both along its lower mar ginal portion 3! to the margin 19 of the opening in the torso covering H]. The second pad element 20 in applying continuity of external compressive 35 25 including tapered ends 33 and 34, which ele force to the pad element along the extent of the ment may be arcuate in form to facilitate its con latter. forming to the contour of the neck, is attached For further protecting the wearer the headpiece partially to a front portion 32 of the tube 30, and l3 may be attached along its lower margin 23 to is constructed and arranged to embrace the re! the torso covering and preferably at the outside 40 mainder of the neck. The tapered ends 33 and of the neck opening arrangement, which con 34 cooperate with the adjacent tapered ends 21 struction promotes additional sealing at the open- . and 28 by an overlapping relation therewith to ing while permitting such neck opening arrange complete the sealing encirclement of the neck by ment to be in its closed condition whether or not the pad elements 25 and 26, as shown especially the headpiece be mounted on the wearer’s head. The margin of the opening in the headpiece is 45 adapted to conform to the contour of the face and neck and to ?t snugly thereagainst when the headpiece is mounted on the head. In donning the ?otation suit and having the neck opening arrangement in the open condition, 50 the wearer’s body is inserted feet ?rst through in Figs. 5' and 6. ' The pad element 26 may include ?ared or curved projecting portions 35 and 36 along the tapered ends 33 and 34 for conforming to the contour of the lower jaw of the wearer to promote additional sealing by the neck opening arrange ment. For facilitating positioning the. pad ele ment 25 against the wearer’s neck for coacting with the other pad element 25, the pad element the neck opening. When the legs, arms and torso are positioned within the suit, the sealing pad 26 may be provided with a relatively narrow, ar element [5 is arranged about the neck such that the tapered ends [6 and I7 are in overlapping 55 cuate band portion 3'! of suitable resilient rubber relation, and next the headpiece may be mounted like material interconnecting the tapered ends 33 and 34 whereby such pad element becomes sub stantially annular in form, as shown especially the neck opening arrangement, the draw-string in Fig. 7, and de?nes an opening 38 for receiving. 2! is tautened by pulling its end portions through the clamping member 22 thereby puckering the 60 the neck. The draw-string 2i is disposed within the ?at tube 20 and positioning the latter against the pad tened tube 30 and is arranged to press against the element I5 in sealing relation therewith. The back of the pad element 25. End portions of the draw-string is tautened to an extent such thatit draw-string extend through an aperture at the is embedded partially in the ,yieldable material of the pad element and such that the pad element 65 front portion 32 of the tube and may extend through the clamping member 22 to facilitate I5 is maintained in a cushioning manneratthe tautening the drawstring for positioning the pad wearer’s neck adjacent the jaw without undue pressureagainst the neck, the material ofvthe elements 25 and 25 in coacting sealing relation at the neck. pad element presenting a uniform, non-devious sealing face to the neck. By virtue of; the yield 70 In donning the modi?ed suit and having the ability and resiliency of the sponge’ rubber ma neck opening arrangement in the open condition, terial, the pad element fits snugly about and con the wearer’s body is inserted feet ?rst through forms uniformly throughout its extentto the con the opening and positioned within the suit. The tour of the wearer’s neck whereby continuity of .. head is inserted through the opening 38 in the cushioning and sealing action is obtained. The 75 annular pad element 26, and such element in on the head. To obtain the closed condition of 2,411,830 5 cluding the curved projecting portions 35 and / 36 is disposed adjacent the lower jaw, the band por tion 31 being me slightly tensioned condition and extendingiabo'ur the back of the 'neck thereby fa . cilitatingjmaintaining the pad element V2% in posi-v tion for‘coacting'withthe other pad element 25. The draw-string ‘2| isjtautened thereby pucker 6 spon'gé‘i r'ubberllike material- and partially ‘at; ‘ tached atsaid margin at the region of the back of said neck for embracing the latter leaving for-' ward ' portions including said tapered ends of said Ipad element unattached to said margin so as'to be freely adjustable with respect thereto, said tapered ends being positionable in overlap ping‘ sealing relationwith one another, said rub her-like material presenting anv inner sealing ofthe rubber-like material to said neck, and mediate the tapered ends Zland 23 of the pad 10 face means for positioning said pad element at said element 25 and positioning such tube against the neck in sealing relation therewith. front'pad element 26 in sealing relation there 5. Protective clothing having an opening for with. Tautening the draw-string also positions accommodating the neck of the wearer, said the tapered ends 21 and 28, 33 and 34 of the pad clothing at the opening comprising a margin of elements 25 and 26 in overlapping sealing relation 15 ?exible fabric material including a front portion and maintains such elements in a cushioning and a back portion, a sealing pad element in-_ manner about the neck without objectionable eluding tapered endsand attached at the inside pressure against the neck whereby a circumfer of said back portion for partially embracing said entially uniform, non-devious sealing face is pre-‘ neck, a second sealing pad element including ta sented to the neck for the closed condition of the 20 pered ends and partially attached at the inside arrangement. The sealing face of the pad ele of said front portion with the latter said tapered ments conforms to the contour of the neck by vir ends extending rearwardly unattached to said tue of the yieldability and resiliency of the rubber margin so as to be freely adjustable with respect material. If desired, the ‘headpiece l3 may be thereto for embracing the remainder of the neck, mounted on the wearer’s head for further protec 25 said tapered ends of the ?rst said pad element being positionable in overlapping sealing rela The modi?ed suit may be doifed conveniently tion with ‘said tapered ends of said second pad by removing the headpiece from the head and re element, the pad elements, comprising relatively leasing the tautness of the draw-string such that the neck opening arrangement may be returned 30 resilient sponge rubber-like material presenting an inner sealing face of the sponge rubber-like to the open condition.‘ The pad element Ziiis material to the neck, and means for positioning slipped over the head and the wearer’s body with said pad elements at the neck of the wearer in drawn through the opening from the suit. sealing relation therewith. Variations may be made without departing 6. Protective clothing having an opening for 35 from the scope of the invention as it is de?ned ing the ?atteriedtub’e‘ 30 into a multiplicity of closely contacting ?atfolds along its extent inter tion. ' ~ accommodating the neck of the wearer, said clothing at the opening comprising a margin of ?exible fabric material including a front portion 1. Protective clothing having an opening for and a back portion, sealing pad elements at accommodating the wearer, said clothing at the opening comprising a margin of flexible material 40 tached at the inside of said front portion and said back portion, a margin of a pad element being and a sealing pad element partially attached to unattached to said margin of said opening so said margin leaving a portion of said pad ele as to be freely adjustable with respect thereto ment unattached to said margin so as to be freely and tapering to provide a sealing surface cooper adjustable with respect thereto, said pad element able with the other pad element for sealing rela comprising a strip of relatively yieldable material in the following claims. I claim: .. I - -' . tion therewith, said pad elements comprising relatively soft compressible material presenting presenting an inner sealing face of the yieldable material to the wearer. 2. Protective clothing having an opening for accommodating the neck of the wearer, said an inner sealing face of said compressible ma terial to the neck, and means for positioning said pad elements at the neck of the wearer in sealing clothing at the opening comprising a margin of ?exible material and a sealing pad element par tially attached at the inside of said margin leav ing a portion of said pad‘ element unattached to said margin so as to be freely adjustable with re , spect thereto, said pad element comprising resil relation therewith. . 7. Protective clothing having an opening for accommodating the neck of the wearer, said clothing at the opening comprising a marginof 55 flexible material including a front portion of said ' ient material relatively thick as compared to the ?exible material of said margin, said resilient ma terial presenting a uniform non-devious sealing face of the resilient material to said neck. 3. Protective clothing having an opening for accommodating the neck of the wearer, said clothing at the opening comprising a margin of material positionable about the neck of the wearer, and a sealing, pad element at the inside of said margin unattached to said margin throughout the major part of the extent of said pad‘ element so as to be adjustable with respect to said margin and conformable to said neck, said pad element comprising resilient material rela- . ?exible material, and a sealing pad element of rel tively thick as compared to the ?exible material atively yieldable material at said margin embrac of said margin, and said resilient material pre ing said neck and positionable adjacent the lower 65 senting a substantially uniform non-devious seal jaw of the wearer, said pad element including op ‘ing face of the resilient material to the neck of posite upwardly flared portions being constructed and arranged to conform to the contour of said jaw, said yieldable material presenting an inner > sealing face of the yieldable material to said neck. 70 4. Protective clothing having an opening for accommodating the neck of the wearer, said ' clothing at the opening comprising a margin of flexible fabric material, a sealing pad element including tapered ends of relatively resilient 75 the wearer, 8. Protective clothing having an opening for accommodating the neck of the wearer, said clothing at the opening comprising a margin of' ?exible material including avfront portion of said material havingsubstantial fullness and con tractible into a multiplicity of closely contacting folds positionable about the neck ofthe wearer, 2,411,830 a sealing pad element at the inside of said mar gin unattached to said margin throughout the major part of the extent of said pad element so as to be adjustable with respect to said margin and conformable to said neck, said pad element comprising resilient sponge rubber-like material relatively thick as compared to the ?exible ma terial of said margin, said sponge rubber-like material presenting a substantially uniform non 8 devious sealing face of the sponge rubber-like material to the neck of the wearer. 9‘ Protective clothing as de?ned in claim 8 in which said sealing face of the pad element is relatively ?at transversely of said pad element and is of transverse width not less than the thick ness of said pad element providing a. substantial sealing area at the neck of the wearer. CARROLL P. KRUPP.