US2321452A - Textile treating apparatus - Google Patents

Description

18 Sheets-Sheet 1 E. J. BERGER ETAL TEXTILE TREATING APPARATUS File'd March 26, 1941 Q mm mm June 8, 1943.

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Patented June 8, 1943 TEXTILE TREATING APPARATUS Emil J. Berger, Hatfield, and Howard W. Mat-- thews, Lansdale, Pa., assignors to Dexdale Hosiery Mills, Lansdale, Pa., a corporation of Pennsylvania Application March 26, 1941-, Serial No. 385,238

30 Claims.

This invention relates to apparatus useful in treating textiles or textile products which, in finishing, require subjection to a vapor medium under pressure for adefinite period of time to shape articles such as hosiery, orto set them against subsequent distortion either in use or incident to washing.

The invention constitutes an improvement over a generally similar apparatus which forms the subject matter of a copending applicationserial No. 320,656, filed by us jointly on February 24, 1940, the chief aim of the present invention being to render the operation of such apparatus more automatic and therefore more eflicient, thereby to preclude the necessity for dependence upon the skill or judgment of the attendants. Another aim of our invention is to make it possible to convert such apparatus for use in drying hosiery and the like.

A further aim of our present invention is to attain the above advantages in apparatus which elevation and arranged for the treatment of hosiery mounted on shaping forms.

Fig. 2 is a fragmentary view on a somewhat larger scale showing the apparatus as it appears from the rear.

Fig. 3 shows the top plan view of the apparatus.

Fig. 4 is an elevation of the apparatus looking toward the right hand end of Figs. 1 and 3.

Figs. 5 and 6 are fragmentary cross sectional views of the apparatus slrawn to a still larger scale and taken as indicated respectively by the angled arrows VV and VI-VI in Fig. 1.

Fig. 7 is a fragmentary detail sectional view taken as indicated by the angled arrows VII- -VII in Figs. 3 and 5.

Fig. 8 is a fragmentary detail view looking as indicated by the angled arrows VIII-VIII in Fig. 1.

Fig. 9 is a fragmentary detail sectional view taken as indicated by the angled arrows IX-IX in Fig. 8.

Fig. 10 is a fragmentary detail sectional view taken as indicated by the angled arrows X-X Fig. 12 is'a fragmentarydetail sectional view taken as indicated by the angled arrows XII -XII in Fig-l1. r

Fig. 13 is a horizontal section of'thetr'eating chamber of the apparatus taken as'in'dicated by the angled arrows XIII HII in Fig; 1.

Fig. 14 is a. fragmentary view in longitudinal section showing the carriage for one set of the hosiery forms in position ready to be transferred into the treating chamber.

Figs. 15 and 16 are views like Figs. 5 and 6' with the door of the treating chamber open.

Fig. 17 shows the apparatus in vertical section and converted for use as a drying machine with the door of the treating chamber partially closed.

Fig. 18 is a fragmentary vertical sectional view corresponding to Fig. 15 of the converted apparatus with the door of the treating chamber fully open.

Fig. 19 is a view like Fig. 18 bu'twith the chamber door partly open as in Fig. 17;

Fig. 20 is a wiring diagram of the electrically actuated devices by which the operation of the apparatus is automatically controlled.

Fig. 21 is a fragmentary view in horizontal section of an alternate embodiment of our invention with its. treating chamber closed and containing a group of the hosiery forms.

Fig. 22 is a view generally like Fig. 21 but on a larger scale with the treating chamber open and the hosiery forms withdrawn and being transported into the righthand track section.

Fig. 23 is a fragmentary view in longitudinal section taken as indicated by theangled arrows XgmL-Xxm in Fig. 21.

Fig. 24 is a fragmentary detail sectional view taken as indicated by the angled arrows XXIV- XXIV in Fig. 22-. i I

Fig. 25 is a' fragmentary view in cross section taken as indicated by the angled arrows XXV XXV in Figs. 21 and 23.

Figs. 26 and 27 are fragmentary detail sectional views taken as indicated respectively by the angled arrows XXVI-XXVI and XXVIIXXVII in Figs. 24 and 23. I

Fig. 28 is a fragmentary detail view looking'as indicated by the angled arrows XXVIII-XXVIII in Fig. 21.

Fig. 29 is a fragmentary View partly in elevation and partly in section taken as indicated by the angled arrows XXIXXXIX in Fig. 28; and

Fig. 30 is a detail sectionalview taken as indicated by the angled arrows XXXXXX in Fig. 26.

As herein delineated, our improved textile treating apparatus comprises a treating chamber which is comprehensively designated by the numeral 29, and which as best shown in Figs. 1 and 6, is supported at an elevation above fioor level by a substructure 2i formed from standard angle irons. Referring to Figs. 5, 6 and 14, it will be noted that the treating chamber 29 is relatively high and narrow, of rectangular configuration, and exteriorly covered with heat insulating panels 22 at its sides and back. At the front, the chamber 29 has a full size opening 23, which, during the treating periods, is closed. by a door 24 which seals fiuid tight against packing 25 recessed into a perimetric groove around the door opening. By means of straps shown at 25 (Fig. 7), the door 24 is suspended from carriages 21 provided with rollers 28 which run between vertically spaced pairs of guide rods 29, 39. As shown in Fig. 5, the guide rods 29, 39 are secured in spaced brackets 3 i 32 mounted on the top of the treating chamber 29, and extend forwardly beyond said chamber, the corresponding pairs being connected at their outer ends by tie plates 33. The door 29 is locked in closed position by fastening mechanism which'includes groups of vertically-spaced,

medially-pivoted latches 34 arranged adjacent the opposite vertical edges of the door, and adapted to individually engage fixed keepers 35 adjacent the side edges of the door opening from above with a wedge fit. The latch 34 of the respective groups are connected at their inner ends byuniversal bars 35 for simultaneous operation. Movable up and down in spaced guides 31, 38 affixed to the outer face of the door 24 is a vertically-arranged slide 39, which, by means of supplemental links 49, is coupled with the universal bars 35.

Above the upper guide 31, the slide 39 is longitudinally slotted as shown at 42 in Figs. and 7 for passage through it of an upstanding cam fin 43 at the forward end of a toothed horizontal rack bar 45, confined to endwise movement in fixed guides 45 and 41 centrally of the top of the treating chamber 29. As shown, the cam fin 43 has an arcuate slot 48 which is engaged by a roller 49 carried at the back of the slide 39. Meshing with the teeth of the bar 45 is a spur pinion 59 which is afllxed to a transverse shaft 5| having journal support at its ends in bearings 52, 53 at the top of the chamber 29. The pinion shaft 5| is connected to a speed reduction unit 54 wherewith is associated a reversible electric driving motor 55, said unit and motor being jointly supported by a bracket 55 secured to one side of the treating chamber 29 as shown in Figs. 2, 3 and 4. From Fig. 5, it will be seen that clockwise rotation of the pinion 59 will be attended by outward movement of the rack bar 45 incident to which, by action of the curved slot 49 in the cam fin 43 upon the roller 49 on the slide 39, the latter will be depressed and through the links 49 cause disengagement of the door latches 34 from the keepers 35. Upon advance of the cam fin 43 to the point where the roller 49 will be positioned in the horizontally offset rear terminal portion 483: of the slot 48; the now unlatched door 24 will be moved outward to the open position shown in Figs. 15, 16, its top coming to rest with the front rollers 28 of the carriages 21 engaging adjustable inwardly projecting stops 33a on the tie plates 33 which connect the respective pairs of carriage guiding track rods 29, 39. When, on the other hand, the direction of rotation of the pinion 59 is reversed, the door 24 will first be moved to closed position due to temporary detainment of the roller 49 on the slide 39 within the offset terminal notch 48s of the slot 48 in the cam fin 43. When,

however, the door 24 has reached its closed position in abutment with the sealing strip 25 and as the rack bar 45 continues in its inward movement,

the roller 49 will be forced to travel upward in' the slot 48 of the cam fin 43, with attendant lifting of the slide 39 and swinging of the door latches 34 simultaneously to re-engage the keeper 35. Suitably supported respectively on one of the upper door carriage guide rods 29 and on the top of the chamber 29 are reversing limit switches 51, and 59 for controlling the operation of the electric motor 55 in a manner also explained hereinafter, the roller on the actuating arm 55 of the switch 51 being located in the path of a projection 51:: on one of the door carriages, and the roller on the actuating arm 59 of the switch 58 being in the path of the upper rounded edge of said cam fin 43.

In the present instance, steam under pressure is employed as a treating medium, the same being delivered from a suitable source of supply (not illustrated) through a pipe 52, see Figs. 2 and 6, in which a trap 53 is interposed and also a hand valve 54. As shown, the pipe 52 is extended as at 55 to a double acting supply and exhaust valve 55 which may be of any approved type and which is adapted to be electrically operated through the medium of a solenoid 61. For protection, the valve 95 and its actuating means 51 is enclosed in a casing 58 mounted on the back of the treating chamber 29. Extending from the valve 55 into the treating chamber 29 near the bottom is a branch pipe 59 by way of which the steam is conducted into said chamber. Leading downwardly from the valve 55 is a pipe 19. by which the steam is exhausted from the chamber after each treata ing period. As shown in Fig. 6, the bottom 1| of the treating chamber 29 is depressed to promote drainage of condensation into an outlet 12, which, through a pipe 13, communicates with a trap 15. From this trap 15, see Fig. 2, leads'another pipe 15 by which the condensation is carried oil to a suitable point of disposal (not illustrated). As further shown in Fig. 6, a horizontally-arranged perforated plate 11 supported by upstanding posts 19 within the lower part of the treating chamber above the level of the steam inlet pipe 59, serves as a means to protect the hosiery while it is treated in the chamber, against the direct action of the steam issuing from said pipe. The door 24 is preferably constructed from heavy plate metal so as to be rigid against bending and capable of bearing uniformly all around against the resilient sealing strip 25 to insure against escape of steam from within the chamber 29 during the treatment. Since the door 24 is directly exposed to the steam it becomes very hot, and in order to preclude injury to the attendant of the apparatus, there is mounted upon the outer side of the door in spaced relation therewith a safety shield 99 which may be formed of asbestos board or other suitable heat insulating material, said guard being supported by spacing pins 9| with provision of an interval for the accommodation of the door latch operating mechanism. Sustained by an angle bracket 82 at the back of the door 24 near the top, is a thermostat 93. Connected into one side of the treating chamber is a pressure relief or safety valve 84 which will yield in case, for some reason or other, the pressure should rise beyond a predetermined limit; and on the door 24, at the front, are mounted direct reading temperature and pressure gauges which are shown at 85 and in Figs. 1 and 3.

Extending longitudinally of the front of the

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