US2037727A - Fastening - Google Patents

Fastening Download PDF

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Publication number
US2037727A
US2037727A US759382A US75938234A US2037727A US 2037727 A US2037727 A US 2037727A US 759382 A US759382 A US 759382A US 75938234 A US75938234 A US 75938234A US 2037727 A US2037727 A US 2037727A
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United States
Prior art keywords
material
staple
core
fastening
paper
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US759382A
Inventor
Chapelle Fred N La
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Emhart Enterprises Corp
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Emhart Enterprises Corp
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Publication date
Application filed by Emhart Enterprises Corp filed Critical Emhart Enterprises Corp
Priority to US759382A priority Critical patent/US2037727A/en
Application granted granted Critical
Publication of US2037727A publication Critical patent/US2037727A/en
Anticipated expiration legal-status Critical
Priority claimed from DEU13930A external-priority patent/DE674326C/en
Application status is Expired - Lifetime legal-status Critical

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    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/02Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/20Nails, pegs, pins, clamps, or tacks, for footwear
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/90Fastener or fastener element composed of plural different materials
    • Y10S411/901Core and exterior of different materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/92Staple

Description

April 21, 1936. F. N. LA CHAPELLE FASTENING Filed Dec. 2'7, 1934 Patented Apr. 21, 1936 hrr FASTENKNG Application lllecemher 2'7, i934, Serial No. 759,332

12 @iaims.

This invention relates to improvements in lastenings and is shown herein, by way of illustration, as embodied in staples formed from twisted paper impregnated with glue or other suitable 5 stiffening material.

Staples formed of felted fibrous material such as paper or" the type disclosed in United States Letters ?atent No. 1,957,216, granted May 1, 1934, on an application filed in the name of Fred N. La Chapelle, under most conditions, form eifective fastenings for securing together, either temporarily or permanently, parts of leather or other work pieces. Under some conditions, particularly when staples having relatively short bars are formed, there is a tendency for the fastening material to crack adjacent to the bends at the junctures oi the bar and the legs of the staple. This is due to the fact that the felted fibrous material is stiff and rigid and the material must stretch along the outer portion of the bend and be compressed along the inside portion of the bend. When the bend is sharp the material is sometimes stretched beyond its elastic limit withthe result above noted. When this occurs the holding power 25 of the staple is materially reduced and a substantial strain applied to the work may cause the bar of the staple to part or break away from one or both of the staple legs.

An object ofthe present invention, accordingly, is to provide an improved fastening by the use of which the abovementioned difficulties will be overcome. In accordance with this object a feature of this invention resides in a driven fastening having an outer layer of relatively hard and rigid paper material and a core of flexible reinforcing material. As illustrated, the outer covering is composed of paper impregnated with sizing material, for example, glue, and the core is formed of thread spun or twisted from textile fibre.

Since the problems solved by this invention arose in the use of staples formed of twisted sized paper,-the invention is illustrated herein with special reference to staples but it should be understood that the utility of the invention is not so limited since it is apparent that other types of fastenings, for example, pegs, could be formed of fastening material of this character, if desired.

With the above and other objects in view, the invention will now be described in connection with the accompanying drawing and pointed out in the appended claims.

In the drawing, v

Fig. 1 is a view on a much enlarged scale of a staple illustrating a preferred embodiment of the present invention;

Fig. 2 is a view in cross section taken along the line II-II of Fig. i;

Fig. 3 is a view, partly in section, on an enlarged scale of the material from which the fastenings are made;

Fig. 4 is a perspective view showing a portion of a machine for forming the fastening material; and

Fig. 5 is a view in vertical cross section of the portion of the machine shown in Fig. 4;

Material from which staples or other fastenings comprising a preferred embodiment of the invention may be made is illustrated in Figs. 1, 2 and 3 as composed of a relatively hard outer portion ill and a strong flexible core l2. The outer portion it is formed from twisted paper or other felted, fibrous material impregnated with glue or other suitable sizing which imparts to the material the requisite rigidity to withstand the hammering action of a fastening driving tool. The core l2 is in the form of a strong cotton or linen thread but it is evident that the core l2 could be made, if desired, of other material having substantial tensile strength and, preferably but not necessarily, soft and yielding.

This cored fibre fastening material, while it can successfully be used for fastenings such as pegs, is particularly adapted for use in making staples. As shown in Fig. 1 a staple Id is formed of the material. The staple M is provided with legs it which penetrate the work and which are con nected together by a bar I 8. As suggested above, the legs l6 of the staple I l are sufliciently rigid to be driven into holes formed in a work piece without breaking or crippling. When the staple I4 is formed, the material is bent about an inside former, and since the diameter of the fastening material is relatively large as compared with staple wire, the fastening material must stretch along the outside portion adjacent to the juncture of the legs and the bar, or the material must be compressed alongthe inner portion of the staple adjacent to the juncture of the legs and the bar, or both. When solid fibre fastening material is used this tendency to compress or stretch is noticeable particularly when staples having short bars are being formed and this stretching or compressing tendency sometimes results in cracking or breaking the material at the ends of the staple bar. However, when fibre fastening material having a relatively soft core is used in forming staples, the core I2 is compressed. or deformed adjacent to the juncture of the legs and the bar. The material .is flattened as shown in core I! is sufliciently soft to permit this deformation without any objectionable stretching or compressing of the material 10 and consequently the tendency of the material to crack or break is reduced to a minimum.

When a staple formed in this manner is driven into the work and the bar I8 of the staple is driven against the surface of the work, the effectiveness of the staple is not destroyed even though, as may happen in some cases, the felted fibrous or paper covering I0 is cracked or broken. In such cases, the core l2 acts to hold the parts of the staple H together thereby preventing the legs it of the staple from pulling through the work. After a. staple has been inserted in the work, the legs 16 may be trimmed or deflected toward the surface of the work to prevent the staple legs from being pulled back through the work.

In Figs. 4 and 5 is shown a portion of the machine disclosed in United States Letters. Patent No. 1,837,433,,granted December 22, 1931, on an application filed in the name of Alex Hayner.

' This machine as disclosed in said Letters Patent is designed particularly for forming fastening material from strips of paper. A paper strip 20 is passed through a bath of glue 22 or other suitable sizing material under a guide bar 24 and about a vertical rod 26 which serves to guide the paper strips 20 to a die 28. Located above the die 28 is a mechanism arranged to impart the desired twist to the paper. This mechanism is substantially the same as that disclosed in the above-mentioned Letters Patent to which reference may be had for a detailed description of the twisting mechanism. The vertical rod 26 is hollow and serves to guide the core material, illustrated as a thread 30, to the paper as it is being twisted. The thread 30 is wound on a spool 32 which may be mounted on a suitable support 34. As the paper is twisted the thread 30 is pulled from the spool through a guiding eye 38 and into the hollow rod 26, the paper being twisted about the thread 30. After the fastening material has been subjected to the preliminary twisting operation it may be further twisted and passed through stripping dies as disclosed in said Letters Patent. After these operations the material may be formed into fastenings such, for example, as staples or pegs.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. A driven fastening having an outer layer of relatively rigid paper material reinforced with a core of flexible material,

2. A driven fastening having a core of twisted fibrous material covered with felted fibrous material sized with a stiffening material.

3. A driven fastening having a thread 'core,

covered with paper impregnated with glue.

4. A staple of felted fibrous material reinforced with a thread core.

5. A staple having a core of twisted fibrous material.

6. A staple'formed of felted fibrous material and twisted fibrous material.

'7. A staple having a core of twisted fibrous material covered by felted fibrous material.

8. A staple having a core of twisted fibrous material covered with felted fibrous material sized with a stiffening material.

9. A staple having a core of twisted fibrous material covered with a felted fibrous material sized with glue.

10. A staple having a core of twisted fibrous material covered with paper impregnated with glue.

11. A staple having a thread core covered with paper.

12. A staple having a thread core covered with paper impregnated with glue.

FRED N. LA CHAPEILE.

US759382A 1934-12-27 1934-12-27 Fastening Expired - Lifetime US2037727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US759382A US2037727A (en) 1934-12-27 1934-12-27 Fastening

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US759382A US2037727A (en) 1934-12-27 1934-12-27 Fastening
DEU13205A DE651154C (en) 1934-12-27 1935-12-14 Clip for footwear parts
GB35271/35A GB467641A (en) 1934-12-27 1935-12-20 Improvements in or relating to non-metallic staples and like fastenings
DEU13930A DE674326C (en) 1934-12-27 1967-05-31 Fastening means for footwear parts

Publications (1)

Publication Number Publication Date
US2037727A true US2037727A (en) 1936-04-21

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ID=25055431

Family Applications (1)

Application Number Title Priority Date Filing Date
US759382A Expired - Lifetime US2037727A (en) 1934-12-27 1934-12-27 Fastening

Country Status (3)

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US (1) US2037727A (en)
DE (1) DE651154C (en)
GB (1) GB467641A (en)

Cited By (179)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510693A (en) * 1944-03-29 1950-06-06 Lee B Green Fastening member
US3940844A (en) * 1972-02-22 1976-03-02 Pci Group, Inc. Method of installing an insulating sleeve on a staple
US5772379A (en) * 1996-05-24 1998-06-30 Evensen; Kenneth Self-filling staple fastener
US20070073340A1 (en) * 2005-09-21 2007-03-29 Shelton Frederick E Iv Surgical stapling instruments with collapsible features for controlling staple height
US20070075114A1 (en) * 2005-09-21 2007-04-05 Ethicon Endo-Surgery, Inc. Surgical stapling instrument having force controlled spacing end effector
US20070102476A1 (en) * 2005-11-10 2007-05-10 Shelton Frederick E Iv Disposable loading unit and surgical instruments including same
US20070102452A1 (en) * 2005-11-04 2007-05-10 Ethicon Endo-Surgery, Inc. Surgical stapling instruments structured for pump-assisted delivery of medical agents
US20070102475A1 (en) * 2005-11-04 2007-05-10 Ortiz Mark S Lockout mechanisms and surgical instruments including same
US20070158385A1 (en) * 2006-01-10 2007-07-12 Ethicon Endo-Surgery, Inc. Surgical instrument having an articulating end effector
US20070175964A1 (en) * 2006-01-31 2007-08-02 Shelton Frederick E Iv Surgical instrument having recording capabilities
US20070175962A1 (en) * 2006-01-31 2007-08-02 Shelton Frederick E Iv Motor-driven surgical cutting and fastening instrument with tactile position feedback
US20070175952A1 (en) * 2006-01-31 2007-08-02 Shelton Frederick E Iv Motor-driven surgical cutting and fastening instrument with loading force feedback
US20080029577A1 (en) * 2006-08-02 2008-02-07 Shelton Frederick E Pneumatically powered surgical cutting and fastening instrument with manually operated retraction apparatus
US20080029574A1 (en) * 2006-08-02 2008-02-07 Shelton Frederick E Pneumatically powered surgical cutting and fastening instrument with actuator at distal end
US20080082124A1 (en) * 2006-09-29 2008-04-03 Hess Christopher J Surgical staples having compressible or crushable members for securing tissue therein and stapling instruments for deploying the same
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GB467641A (en) 1937-06-21

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