US1260016A

US1260016A - Box-strap seal.

Info

Publication number: US1260016A
Application number: US19264417A
Authority: US
Inventors: Ralph H Morton
Original assignee: ACME STEEL GOODS Co
Current assignee: ACME STEEL GOODS Co
Priority date: 1917-09-22
Filing date: 1917-09-22
Publication date: 1918-03-19
Anticipated expiration: 1935-03-19

Description

R. H. NORTON.

BOX STRAP SEAL.-

APPucATloN man sEPT.22. 1911.

1,260,016. Patented Mar. 19, 1918.

UNITED sTATEs PATENT oEEIoE.V

RALPH I-I. NORTON, OF CHICAGO, ILLINOIS, ASSIGNOR TO ACME STEEL GOODS COMPANY, OE CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

` BOX-STRAP SEAL.

Specification of Letters Patent.

Patented Mar. 19, 1918.

I Application led September 22, 1917. Serial No. 192,644.

I citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Box-Strap Seals, of which the following is a specification.

The object of this invention is to further improve the holding qualities of a device of this class, and that object is attained by so treating the inclosing sleeve and inclosed overlapped strap ends that transverse edges of the parts may be caused to cross whereby separation of the parts will be resisted by direct edge to edge contact.

In the drawings which accompany and form part of this specification Figure 1 represents the seal completed in top plan view; Fig. 2 represents the same in side or edge view; Fig. 3 is a longitudinal section on line 3-3 of Fig. l; Fig. 4 is a cross section on line 4--4 of Fig. 2; Fig. 5'is a broken perspective on an exaggerated scale; Fig. 6 shows the sleeve of the seal in perspective.

Reference letters A and B designate the strap ends, respectively, and C designates the metal sleeve which surrounds them. This sleeve is made with centrally located extensions c at each end of the top. These constitute ledges under which the strap ends may be slid which will manifestly facilitate the insertion of the strap ends through the sleeve. The sleeve is essentially a flat tube of the general character commonly employed heretofore in these box strap seals. Instead of resorting to such punching or crimping practices as heretofore pursued in a variety of ways, I effect an interlocking of the sleeve and the strap ends by shearing them to a limited extent at the side margins and displacing and delecting the metal of both sleeve and strap ends so as to bring about the crossing of the sheared edges. The longitudinal central portion or area of both sleeve and stra ends is left flat and continuous and this is true also as to the central transverse area of these parts. I practise the shearing at the outer boundaries of this `spondingly deflected edges of the strap ends Furthermore the straps themselves are intransverse central portion cutting down at the margins thereof preferably at two places on both sides, as shown at d. .The said central transverse portion thus becomes defined at the side edges by vertical incisions which go through the metal of the sleeve and also through the inclosed metal of the two strap ends. The metalof the sleeve and the strap ends which confronts these incisions is compressed as to the metal of the sleeve and bent so that edges of these parts are defiected. The result is that thus deflected edges of the sleeve are carried across edges of the'inclosed strap ends which have remained in the normal plane (see Fig. 5) and correare carried across edges of the sleeve which have remained in the normal plane. Conseagy quently there are sets or pairs of crossed edges whereby the sleeve resists any tendency of either strap end to pull out of the sleeve and correspondingly there are sets or pairs of crossed edges which resist any tendency of the sleeve to be pulled ,along either strap end by a strain-on the other strap endl.

terlocked so that each' resists pulling iaway of the other,-inasmuch as edges of one strap cross edges offthe other.

I claim: A I

1. A strap seal comprising overlapped strap ends and a sleeve 'embracin them, marginal portions of sleeve and inclosed strap ends being simultaneously sheared through and adjacent metal of sleeve and strap incidentally deflected, and edges thereof crossed, a sheared sleeve-edge and a sheared strap-edge interlocking edge to edge against relative longitudinal movementof sleeve and strap.

2. A strap-seal comprising overlapped strap ends and a sleeve embracing them,mar ginal portions of sleeve and inclosed strap ends being sheared through at a plurality of points and adjacent metal of sleeve andv strap incidentallydetlected and -.edges there- 95 interlocked against relative longitudinal movement of sleeve and strap in both directions.

3. A strap-seal comprising overla ped 5 strap ends and a sleeve embracing t em marginal portions of sleeveand lnclose strap ends being simultaneously shearexi through at two points on each side and metal of sleeve and strap acjaceni; the euts of each marginal pair oppositely deeeted l0 whereby edges thereof are caused to cross edges of intervening undeected metal.

RALPH H. NORTN.