US1589047A - Lead-headed nail - Google Patents

Lead-headed nail Download PDF

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Publication number
US1589047A
US1589047A US751439A US75143924A US1589047A US 1589047 A US1589047 A US 1589047A US 751439 A US751439 A US 751439A US 75143924 A US75143924 A US 75143924A US 1589047 A US1589047 A US 1589047A
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Prior art keywords
lead
nail
head
disk
headed nail
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Expired - Lifetime
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US751439A
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Winfred M Brooks
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Individual
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Priority to US751439A priority Critical patent/US1589047A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B15/00—Nails; Staples
    • F16B15/02—Nails; Staples with specially-shaped heads, e.g. with enlarged surfaces
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/923—Nail, spike or tack having specific head structure

Description

June 15 1926. 1,589,047
w. M. BROOKS LEAD HEADED NAIL Filed Nov. 22, 1924 INVENTOR ATIRRNEY Patented J n. 15,1926.
WINFRED M. BROOKS, OF WEST ORANGE, N EW JERSEY.
LEAD-BEADED NAIL.
Application filed November 22, 1924. Serial No. 751,489.
- This illVeIltlOIl relates generally to lead hcadednails used for roofing or slmilar purposes and has forits main object and featurereduction in the amount of lead used 5 in their production without impairing their sealing qualities.
In the accompanying drawings the invention is disclosed in form in which Fig. 1 is a view in elevation. of a nail embodying the invention.
Fig. 2 is a view similar to Fig. l with the body of lead [in section.
Fig. 3 is a View similar to Fig. 2 but, after 15 the body of lead has been reduced by-hammer blows. v Nails of this character are driven in by hammer blows, the body of lead surrounding the head of the nail being flattened in the process. It will be understood that the body of lead forms a sealing disk around the head of the nail. Owing to the difliculty of imbedding the head of the nail in a body .of lead, a difliculty resulting from the chilling effect which the head of the nail has upon the molten lead, it has been the custom'to form the outer surface of the body of lead with a pronounced; convexsurface to thereby assure free flow of the molten metal 0 around and beneath the head of the nail. This form of the body of lead results in the ,use of'an unnecessary amount of lead for sealing purposes and consequently increases v the cost of production. 4
' I find that the amount of lead used may he'diminished without impairing the sealing qualities of the lead disk and without interfering with the free flow of metal when pouring the molten lead around the head of the nail.
1 indicates a nail having a head 2. Around this head is applied a body of lead 3 consisting of a main body 4 and a dome 5.
a concrete and preferred other and meetin vmoltenmetal and to form,
On its outer side the main body is formed with two taper surfaces 6 and 7 oneabove 45. the other, these. surfaces meeting substantially in the plane of the head of the nail and lower surface 7 tapering more abruptly, with respect to the longitudinal center line of the nail, than upper surface 6. The result is that when pouring the molten lead into the mold, the metal will flow outwardly sufficiently .far away from the head of the nail as not to be unduly chilled and will then take a more abrupt drop, with respectto the 55 longitudinal center line of the nail, as the metal passes beneath the head of the nail. When the body of lead is subjected to hammer blows substantially the formation indicated in Fig. 3 is obtained. As there shown the outer circumference E? of the sealing disk is of'less thickness than the main portion 9 thereof but thisdoes not interfere with the sealing qualities of the disk since the circumference of said disk is substantially equal to that of the disk produced by the old method. The amount of metal saved is indicated in dotted lines at 10 in Fig. 3. j I claim:
A nail the head of which is imbedded in a body of lead, said body of lead having on' its outside two taper surfaces, one above the substantially in the plane of the head of t e nail, the lower surface taperin more abruptly, with respect to the longitu inal center line of the nail, than the upper one, to thereby allow free flow of the J when subjected to blows, a sealing disk the outer circumference of which is of less thickness than the main portion thereof.
Signed at 98 Park Place,.in the county of- New York and State of New York, this 20th day of November, 1924.
WINFRED M. BROOKS.
US751439A 1924-11-22 1924-11-22 Lead-headed nail Expired - Lifetime US1589047A (en)

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US1589047A true US1589047A (en) 1926-06-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132531A2 (en) * 1983-07-27 1985-02-13 Knogo Corporation Theft detection system target fastener
US20110121142A1 (en) * 2008-07-16 2011-05-26 Under The Roof Decorating Inc. Item hanging hardware
USD852030S1 (en) * 2017-09-28 2019-06-25 Integral Building Products Incorporation Screw

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132531A2 (en) * 1983-07-27 1985-02-13 Knogo Corporation Theft detection system target fastener
EP0132531A3 (en) * 1983-07-27 1985-08-21 Knogo Corporation Theft detection system target fastener
US20110121142A1 (en) * 2008-07-16 2011-05-26 Under The Roof Decorating Inc. Item hanging hardware
USD852030S1 (en) * 2017-09-28 2019-06-25 Integral Building Products Incorporation Screw

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