GB2070095A - Spiked Palings - Google Patents
Spiked Palings Download PDFInfo
- Publication number
- GB2070095A GB2070095A GB8005997A GB8005997A GB2070095A GB 2070095 A GB2070095 A GB 2070095A GB 8005997 A GB8005997 A GB 8005997A GB 8005997 A GB8005997 A GB 8005997A GB 2070095 A GB2070095 A GB 2070095A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spikes
- strip
- paling
- edges
- palings
- Prior art date
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 210000003423 ankle Anatomy 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
- E04H17/1426—Picket fences
- E04H17/143—Picket fences with separate pickets attached to the side of the horizontal members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/003—Anti-climbing devices, e.g. fixed spikes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fencing (AREA)
Abstract
A paling having a main portion with rectilinear, parallel, opposite edges and an end portion formed with a pair of spikes adjacent to respective ones of said edges. In forming the end portion of the paling into a plurality of spikes, material is cut to leave edges which form a W such that a corner of the paling lying on a lateral edge of the paling forms the tip of one of the spikes. This spike is then bent apart from the other spikes. <IMAGE>
Description
SPECIFICATION
Spiked Paling, Method of Forming Same and
Fence Incorporating the Paling
The invention relates to palings of the kind commonly used in fencing, to a method of forming the end portions of palings from elongated strips and to a fence incorporating the palings.
An improved formation of spikes on the ends of palings serves to obstruct persons from surmounting a fence which is comprised of the palings. The appearance of the spikes may serve to deter such persons from the attempt.
According to a first aspect of the invention, there is provided an elongaged substantially rigid paling having a main portion with rectilinear, parallel, opposite edges and an end portion formed with a pair of spikes adjacent to respective ones of said edges, wherein the tips of said spikes lie laterally outwardly of respective lines obtained when said edges of the main portion are produced.
According to a second aspect of the invention, there is provided a method of forming the end portion of an elongated strip into a plurality of spikes wherein material is cut from an end portion of the strip to leave on the strip cut edges which form a W such that a corner of the strip lying on lateral edge of the strip forms the tip of one of the spikes, this spike then being bent apart from the other spikes.
Preferably each of said pair of spikes has an outer edge which is a continuation of the adjacent edge of the main portion, and the tip of the spike lies on said outer edge.
By a "continuation" we mean that no substantial amount of material has been cut from the outer edge.
The pair of spikes may be twisted in opposite directions substantially about axes lying parallel to the length of the main portion of the strip.
Another spike may lie between said pair of spikes.
According to a third aspect of the invention there is provided a fence comprising a plurality of palings according to the first aspect of the invention supported on one or more transverse rails, wherein the spikes of each paling are at an upper end of the paling.
The invention will now be described, by way of example, with reference to the accompanying drawings wherein:
Figure 1 shows a front elevation of a paling;
Figure 2 shows an end portion of a strip at an intermediate stage in the method of manufacture of a paling;
Figure 3 shows a side elevation of a paling;
Figure 4 shows a fence composed of palings;
Figure 5 shows a detail of one of a pair of spikes; and
Figure 6 shows a cross-section along the line VI--VI of Figure 1.
The paling shown in Figure 1 has a main portion 1 with rectilinear, parallel, opposite edges 2 and 3. An end portion 4 is formed with a pair of spikes 5 and 6 adjacent to respective edges 2 and 3. These spikes are splayed apart, their tips 1 6 and 1 7 lying laterally outwardly of lines 7 and 8, colinear with and produced from the edges 2 and 3. The outer edges 9 and 10 of the spikes 5 and 6 are continuations of the adjacent edges 2 and 3 of the main portion, no substantial amount of metal being removed from the edges.
Each paling is formed from strip metal stock, the edges of the strip being taken to form edges 2 and 3, and edges 9 and 10. Each strip is cut at one end by a press from a preceding strip in the process. The cuts are made in such a way that a
W shape is formed in one end of each strip (as in
Figure 2), and a plane edge at the other end. Thus spikes are formed at one end of a strip, with the tips of the outer pair of spikes lying on respective outer edges of the strip. The strip is formed to the cross-section of the main portion 1 shown in
Figure 6, by means of rollers. Such strips, generally made of steel, provide a sufficiently rigid structure.
Another stage in the production of a paling from the strip consists of the splaying out and twisting of the outer spikes. Slits 1 5 are cut between the spikes along the length of the strip so that the end portion of the strip is as shown in
Figure 2. Then the outer spikes are splayed outwardly from the end portion. The spikes are also twisted in opposite directions about axes roughly parallel with the length of a strip, as shown by the detail of one of the outer spikes in
Figure 5.
The spikes extend generally away from the main portion of the paling and generally upwardly when the main portion is vertical. A plurality of palings supported on transverse rails 14 comprise the fence shown in Figure 4. The palings are sufficiently close together for the gap between the tips of spikes on two adjacent palings to be too narrow to accept a person's ankle.
Claims
1. An elongated substantially rigid paling having a main portion with rectilinear, parallel, opposite edges and an end portion formed with a pair of spikes adjacent to respective ones of said edges, wherein the tips of said spikes lie laterally outwardly of respective lines obtained when said edges of the main portion are produced.
2. A paling according to Claim 1 wherein each of said spikes has an outer edge which is a continuation of the adjacent edge of the main portion and the tip of the spike lies on said outer edge of the spike.
3. A paling according to Claim 2 wherein the spikes of the end portion are twisted in respective opposite directions substantially about respective axes lying prallel to the length of the main portion of the strip.
4. A paling according to any preceding claim wherein further spike lies between said pair of spikes.
5. A fence comprising a plurality of palings
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (8)
1. An elongated substantially rigid paling having a main portion with rectilinear, parallel, opposite edges and an end portion formed with a pair of spikes adjacent to respective ones of said edges, wherein the tips of said spikes lie laterally outwardly of respective lines obtained when said edges of the main portion are produced.
2. A paling according to Claim 1 wherein each of said spikes has an outer edge which is a continuation of the adjacent edge of the main portion and the tip of the spike lies on said outer edge of the spike.
3. A paling according to Claim 2 wherein the spikes of the end portion are twisted in respective opposite directions substantially about respective axes lying prallel to the length of the main portion of the strip.
4. A paling according to any preceding claim wherein further spike lies between said pair of spikes.
5. A fence comprising a plurality of palings according to any preceding claim supported on one or more transverse rails, wherein the spikes of each paling are at an upper end of the paling.
6. A method of forming the end portion of an elongated strip into a plurality of spikes wherein material is cut from an end portion of the strip to leave on the strip cut edges which form a W such that a corner of the strip lying on a lateral edge of the strip forms the tip of one of the spikes, this spike then being bent apart from the other spikes.
7. A paling substantially as herein described with reference to and as shown in the accompanying drawings.
8. A method of forming a paling substantially as herein described with reference to the accompanying drawing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8005997A GB2070095A (en) | 1980-02-22 | 1980-02-22 | Spiked Palings |
| IE810279A IE810279L (en) | 1980-02-22 | 1981-02-13 | Spiked paling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8005997A GB2070095A (en) | 1980-02-22 | 1980-02-22 | Spiked Palings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2070095A true GB2070095A (en) | 1981-09-03 |
Family
ID=10511577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8005997A Withdrawn GB2070095A (en) | 1980-02-22 | 1980-02-22 | Spiked Palings |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2070095A (en) |
| IE (1) | IE810279L (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832316A (en) * | 1985-02-25 | 1989-05-23 | Mincher William H | Wall security fixtures |
| CN103061576A (en) * | 2012-12-31 | 2013-04-24 | 张家港固耐特围栏系统有限公司 | Unsymmetrical-bending spear tip used for fences |
-
1980
- 1980-02-22 GB GB8005997A patent/GB2070095A/en not_active Withdrawn
-
1981
- 1981-02-13 IE IE810279A patent/IE810279L/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832316A (en) * | 1985-02-25 | 1989-05-23 | Mincher William H | Wall security fixtures |
| CN103061576A (en) * | 2012-12-31 | 2013-04-24 | 张家港固耐特围栏系统有限公司 | Unsymmetrical-bending spear tip used for fences |
Also Published As
| Publication number | Publication date |
|---|---|
| IE810279L (en) | 1981-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |