or permanent damage to the closing device. Such a test must be made so that the case will drop on cover, seam, or any corner.*t [Par. 7] 72.32-4 Marking. Each container must be plainly and permanently marked by manufacturer in letters and figures at least onehalf inch high, as follows:

* *

2

(a) ICC* on the cover or body; the stars to be replaced by specification number and class letter under which the container was made (ICC-32A, or ICC-32B). This mark shall be understood to certify that the container complies with all specification requirements. (For marking specification 32C containers, see § 72.32C-1 (d).)

(b) Name, mark, or initials of manufacturer. This must be recorded with the Bureau of Explosives, 30 Vesey Street, New York City.** [Par. 8]

72.32A-1 Riveted or seamed sheet iron or steel cases. (a) Cases constructed in accordance with this specification must not have a capacity of more than eight reels of approximately 1,000 feet or four reels of 2,000 feet each, of standard width (13% inches wide), or three reels of stereoscopic film (21⁄2 inches wide), 1,500 feet each, except that cases made in conformity with the requirements of paragraph 171⁄2 may have a capacity of not more than nine reels of approximately 1,000 feet each. [As amended Jan. 13, 1934]

(b) Shape must be either square or rectangular, with right-angle corners or square, with round corners.

(c) Cases must be made of galvanized sheet iron or steel of not less than full 22 gage; or of 22-gage black iron or steel, which must be japanned or painted after completion of the case. For cases of single reel capacity, 10-inch diameter, 24-gage will be allowed, and for "trailer" cases 26-gage, minimum thickness is permitted.

(d) Body of case may be one continuous piece with one lock seam, or made of four or less separate pieces with lock seams at corners or bottom edges. Bottoms must be reinforced with strong metal trunk corners made of not less than 18-gage material or continuous iron or steel angle straps of same thickness, except that for single reel cases and "trailer" cases these reinforcements are not required. Where continuous iron or steel angle straps are used they must be securely riveted with one intermediate rivet for each 4 inches of space.

(e) Sides must be rolled or lapped down at the top of inside of body, not more than one-half inch and over steel wire not less than No. 4 gage or one-fourth inch, or over 14-gage 12-inch steel framing band. On "trailer" cases only this is not required.

(f) Cover must be permanently attached to case by two strong metal hinges. Hinges must be made of not less than No. 7 gage steel wire continuous loops with welded joints, secured by riveted metal hinge straps with not less than three rivets through the body strap and two rivets through the cover strap. Hinge straps must be made of not less than 18-gage steel, and rivets must pass through each strap and through an additional inside reinforcement of not less than 22-gage metal. On "trailer" cases this type of hinge is not required.

Page 838

**For statutory and source citations, see note to § 72.1A-1.

(g) Covers must fit tightly against the body of case, must lap over not less than 1/4 inches on all sides, must be of 1-piece construction, and must be reinforced with turned and rolled edges over No. 8 gage steel wire, except that for cases of 1-reel capacity and "trailer" cases this wire is not required. For "trailer" cases of not exceeding 500-foot capacity, covers must lap not less than three-fourths inch.

(h) Carrying handles may be of hinged type and when so constructed shall be attached to cover by one large center cleat of not less than 20-gage steel, with not less than four rivets through cleat, or, metal straps of not less than 20-gage steel, secured at each end with two or more rivets. An additional inside reinforcement must be used of not less than the same gage as the cover. On "trailer" cases this type of handle is not required.

(i) Hinges, fastening devices, and handles must all possess an additional inside reinforcement of steel not less in thickness than cover or body, through which all rivets used thereon must pass.* [Pars. 9-17]

72.32A-2 Additional case. Cases manufactured in full compliance with all the requirements of §§ 72.32-1 to 72.32-4, 72.32A-1 (a) may also be used when made as follows:

Cases must be square or rectangular in shape and must be made of material not thinner than No. 20 gage galvanized iron or steel, or of uncoated iron or steel of the same gage or thickness. If made of uncoated iron or steel, the cases must be thoroughly covered with a good quality enamel.

Body of case (four sides and bottom) shall be made of not more than three pieces of material which must be securely lock-seamed together. Lock seams shall be formed by mechanical means and must be evenly compressed and offset by hydraulic or other regulated power pressure, and must not be closed by being hammered down by hand. At the top of the body the four sides shall be formed into a roll approximately five-sixteenths inch in diameter toward the inside of the

case.

Cover of case must measure not less than 1 inch in depth, shall be made of not more than one piece of material, and may be drawn or formed to fit body of case. If formed, then the four corners must be lapped and welded and the lower front edge of cover shall be rolled around No. 8 steel wire. Cover must be permanently attached with two loop hinges to body of case. Hinge loop must be made of one continuous piece of iron or steel wire not smaller than No. 5 gage and ends of loop must be securely welded together. One side of this loop shall be attached to cover by hinge strap made of No. 12 gage iron or steel, fastened with not less than two rivets to flange of cover. The opposite side of loop shall be attached to body of case by hinge cleat made of No. 18 gage iron or steel, fastened with not less than four rivets to body of case.

Carrying handle must be made of one continuous piece of iron or steel rod not smaller than five-sixteenths inch in diameter. Handle shall be attached by cleat made of No. 20 gage iron or steel, fastened with not less than six rivets to top of cover.** [Par. 172, as added Dec. 15, 1931]

*For statutory and source citations, see note to § 72.1A-1.

Page 839

72.32B-1 Welded or riveted cases. (a) Containers must comply with all general provisions and be as follows:

(b) Cases constructed in accordance with this specification must not have a capacity of more than 12 reels of approximately 1,000 feet each, or 6 reels of 2,000 feet of standard width (13% inches wide). (See § 72.32B-2.)

(c) Cases must be made of steel, or of aluminum-manganese alloy containing not less than 14 percent manganese, the alloy sheet to be in a temper not less than four numbers hard, and the steel or alloy sheet to be 18 gage or thicker for capacities exceeding 8 reels of 1,000 feet each, or 4 reels of 2,000 feet each, and full 20 gage or thicker for cases of less capacities than the minima specified. [As amended Apr. 7, 1931]

(d) Shape must be octagonal, or square or rectangular with rightangle corners. A circumferential outside bead must be provided on the body of octagonal cases and an outside bead on at least two sides of square or rectangular cases for contact with the bottom edge of the cover when in closed position; or in place of beading, drawn projections acting as reinforcement and projecting outward not less than three-sixteenths inch from the sides of the body may be provided. Square or rectangular cases made with 18-gage body and 16-gage covers do not require the outside bead or drawn projections.

(e) Body of case must be of not more than three pieces with seams securely welded or riveted.

(f) The bottom must be of one piece and must be securely welded or riveted to the body.

(g) Covers must be of one piece and must either be permanently attached to case by two strong metal hinges or may be detachable. Hinges must be made of not less than No. 7 gage steel wire continuous loops with welded joints, secured by welded or riveted metal straps. Hinge straps must be of not less than 18 gage.

(h) Detachable covers must be held in closed position by strong cover or body lugs engaged in accurately fitted slots, with such arrangement sufficiently secure to prevent displacement or detachment from handling incident to transportation. Lugs must be made of separate metal not less than 1%-inch thick and be securely welded in place on body or cover. Engaging slots must be reinforced by metal plates not less than 1/8-inch thick securely welded in position.

(i) Hinged covers must fit tightly against the body of the case and in contact with the circumferential beading and must lap over not less than 1 inch on all sides.

(j) With detachable covers, a clearance of one thirty-second inch will be allowed and lap must be not less than three-fourths inch.

(k) Carrying handles may be of hinged type, and when so constructed must be secured in place by metal straps secured at each end by rivets or by welding. On detachable covers, handles of the hinged type may be attached to covers, and must be so designed with a covered spring arrangement as to be automatically held folded down on one side and butting against the end of sliding lock bolt when not being used to carry the case.* [Pars. 18-28]

Page 840

**For statutory and source citations, see note to § 72.1A-1.

72.32B-2 Large cases. In addition to other requirements herein prescribed, cases having a standard 13-inch film capacity of more than eight reels or more than 8,000 feet must conform with the following:

a Cover must be not less than 16 gage.

(b) Partitions, if used, must be of not less than 18 gage and permanently secured to the body.

(c) Not less than two loop hinges must be applied.

(d) Not less than two fastening devices must be applied, spaced as for hinges.

(e) Two hinge-type carrying handles must be applied, one to each end of the case or cover.*+ [Par. 29]

72.32C-1 Baggage trunk. Baggage trunks may be used to transport motion-picture films and projecting apparatus when constructed as follows:

(a) Each trunk must be of sufficient strength and style of construction to carry contents in ordinary handling without danger of damage to trunk or contents.

(b) Separate compartments for each reel of film and for the projecting apparatus must be formed by the use of strong partitions. Top, sides, and bottom of each compartment for films must be lined with sheet metal and also an inside lining of approved fiber or cushioning material which will effectively prevent contact of the metal film can with the metal lining of the compartment. Each compartment shall be of 1-reel capacity and each reel shall be inclosed in a standard metal reel can. Compartments shall be so designed that in closing there shall be no cracks or openings.

(c) No parts shall be included in the projecting apparatus when packed for shipment which shall be capable of creating an electrical current, nor shall there be included any inflammable substances capable of producing heat or fire. No other material than the films and projecting apparatus may be packed in the trunk when offered for shipment.

(d) Each trunk manufactured in compliance with this specification must have securely riveted on the top of cover a metal plate 4 inches long and 2 inches wide bearing in the center thereof the following symbol consisting of a rectangle and the following mark:

ICC-32C

The letters and figures in this symbol must be at least one-half inch high. This symbol shall be understood to certify that the package complies with all the requirements of this specification.* [Pars. 30-34]

72.32D-1 Metal boxes for old and worn-out motion-picture film no longer exhibitable. Metal boxes for the shipment of old and worn-out motion-picture film no longer exhibitable (with value only for reclamation of material), must comply with general provisions in §§ 72.32-1 (a), 72.32-4 of this specification group and also the following:

**For statutory and source citations, see note to § 72.1A-1.

Page 841

(a) Containers must be made of steel and be generally rectangular in shape; body and bottom at least as thick as No. 16 gage throughout; cover at least No. 18 gage; and all joints and seams welded or riveted. (b) Cover must be tight fitting to prevent entrance of sparks; and securely fastened, with provision for locking or sealing.

(c) Box with contents therein must be capable of withstanding four successive drops of 4 feet onto solid concrete without opening any joints or closures and without serious distortion of box; drops to be made on cover, bottom, and body seams." [Par. 35, as added Nov. 1, 1934]

SHIPPING CONTAINER SPECIFICATION 35

WOODEN BARRELS WITH REMOVABLE HEADS

72.35-1 Maximum capacity. Maximum capacity of barrels 55 gallons, nominal.*+ [Par. 1]

72.35-2 Material. (a) Material must be oak, thoroughly kilndried, but removable head is permitted to be made of any suitable wood as hereinafter described.

(b) Staves and fixed head must be at least 1116-inch thick in finished barrel.** [Pars. 2, 3]

72.35-3 Hoops. Hoops must be at least six in number with minimum size as follows:

Head hoops, 111/16 inches by 17 gage.

Quarter hoops, 116 inches by 18 gage.

Bilge hoops, 11116 inches by 17 gage.* [Par. 4]

72.35-4 Removable head. (a) Ends of staves upon which removable head sets must be planed off perpendicular to axis of barrel until a flat, smooth surface, at least the full thickness of staves, is obtained.

(b) Removable head must consist of an outside layer of wood at least 1 inch thick, an intermediate layer of sheet zinc No. 6 gage (0.012 inch approximately) or thicker, and an inside layer of rubber at least 1/8-inch thick. [As amended Dec. 15, 1931]

(c) The pieces of wood in the removable head must be joined by dowel pins. [As amended Dec. 15, 1931]

(d) Removable heads must be reinforced by iron or steel rings 14 inch by 12 inches cross section securely riveted in place on upper and lower surfaces. [As amended Dec. 15, 1931]

(e) Reinforcing rings must be of proper diameter to fit fairly closely around the top of the barrel. [As amended Dec. 15, 1931]

(f) Six holes must be bored or slotted through the head and its reinforcing rings to receive the head fasteners. [As amended Dec. 15, 1931]*+ [Pars. 5-10]

72.35-5 Head fastening. Fastening must consist of six iron or steel lugs approximately 1 by 1/4-inch cross section securely bolted to side of barrel and terminating in 1/2-inch bolts passing through removable head and reinforcing rings. Nuts screwed down onto these bolts must hold removable head securely in place. Lugs should be spaced at approximately equal distances around barrel, but should be

Page 842

**For statutory and source citations, see note to § 72.1A–1.