US966610A - Thread-protector. - Google Patents

Thread-protector. Download PDF

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Publication number
US966610A
US966610A US51296709A US1909512967A US966610A US 966610 A US966610 A US 966610A US 51296709 A US51296709 A US 51296709A US 1909512967 A US1909512967 A US 1909512967A US 966610 A US966610 A US 966610A
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United States
Prior art keywords
thread
flange
protector
overlapping
ring
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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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US51296709A
Inventor
Peter J Shrum
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COLONA MANUFACTURING Co
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COLONA Manufacturing Co
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Publication date
Application filed by COLONA Manufacturing Co filed Critical COLONA Manufacturing Co
Priority to US51296709A priority Critical patent/US966610A/en
Application granted granted Critical
Publication of US966610A publication Critical patent/US966610A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
    • B65D59/06—Caps

Definitions

  • My invention consists in an improvement in thread protectors for the threaded ends of pipes, tubing, rods, etc., and'has for its object to provide a-simple, cheap and easily adjusted device which can be screwed over the threads.
  • protectors of this class considerable difliculty is experienced in applying the. device to the threads by reason of the uncertainty in engaging the thread of the pipe by the front end of the outer flange, resulting in delay, binding and marring of the threads.
  • the particular object is to improve that class of protectors made of sheet metal having spirally arranged deflected flanges for engagement of the thread by providing an initial thread engagingflange in advance of the rear terminal of'the same flange, off-set from it by the gage of one'thread, and lapping beyond it, in the manner hereinafter described.
  • FIG. 1 is a perspective view of the device.
  • Fig. 2 is a partial inner plan view showing the joint'construction.
  • Fig. 3 is a longitudinal sectional view through the end of a pipe provided with the protector. e
  • the protector 1s made of a circular band of sheet metal 2, flanged inwardly at the front as at 3 for engagement with the threads and at the back as at 4 for limiting its travel and protecting the end of the pipe.
  • the band 2 is secured by its ends,*which overlap, by a rivet 5 and off-set an amount equivalentto the gage of the thread of the pipe for which it is designed, thereby separating the front flanges 3 to the same evtent.
  • the rear flange 4 is cut away for clearance sufiiciently far-back to make the joint, as indicated in dottedlines at 6, and either of the ends of rear flange 4 may be bent up to match the end of the opposite abutting flange, or both flanges maybe bent toward each other in order to match, as desired.
  • the sole function of the rear flange is to Specification of Letters Patent. Application filed August 1c, 1909. Serial No. 512,967.
  • the outer end 3 extends some distance beyond the rear terminal of the mner end 3 with the intervening thread certainty or improper engagement or jamming, and the protector, when thus properly initially inserted, may be turned over the threads for its full length, as shown in Fig. 3.
  • Said figure clearly shows the side-byside arrangement of the flange terminals 3" and 3" providing the thread-engaging space, the flange 3 at the opposite side being exactly halfway between. them and'engaging between the threads, as indicated by the line a2, 00. 4
  • the device may be made in any desired sizes, care being taken to properly gage the space between the overlapping flanges to suit the gage and to provide ample overlap to make a good joint and to extend the initial flange end well beyond thercar terminal of the adjacent spirally arranged continuation of.the single flange.
  • a thread protector consisting of a ring of sheet metal having overlapping ends secured together and provided with a continuous spirally arranged thread-engaging flange having terminals overlapping and off-set from each other, substantially as set forth.
  • a thread protector consisting of a ring of sheet metal having overlapping ends secured together and provided with a continuous spirally arranged thread engaging flange having terminals overlapping and off-set .space, so that when that portion of the flange 3 beyond the overlapping outer terminal 3 from each other, and provided with a limit- -ingflange at its other end, substantially as set forth.
  • a thread protector consisting of a ring I tially as set .forth.
  • a threarl protectdr consisting of a ring of sheet metal having front and back flanges
  • flange being, cut away for clearance, one end of the ring overlapping the other and off-set laterally a distance equaling the width of one thread, a securing ri et conneeting said overlapping ends, the flange terminals at the other side from the off-set- PETER J. SERUM.

Description

P. J. SHRUM.
THREAD PROTECTOR.
APPLICATION FILED AUG. 16, 1909.
Pafin'ped Aug.9,1910.
To aZZwhom it may concern:
, STATES PATENT orrron.
PETER J. snnunt, or MONACA,'P ENNSYLVA-NIA, AssIeNon, BY MESNE ASSIGNMENT-S,- TO COLONA MANUFACTURING coMrA Y, or PITTSBURG, .PENNSYLVANIA, A COR- POBATION OF PENNSYLVANIA.
Be it known that I, PETER J. SHRUM, a citizen of the United States, residing at Monaca, inthe county-of Beaver and State of Pennsylvania, have invented certain new and useful Improvements in Thread-Protectors, of which the following isa specification, reference being had thereinto the accompanying drawing. f
My invention consists in an improvement in thread protectors for the threaded ends of pipes, tubing, rods, etc., and'has for its object to provide a-simple, cheap and easily adjusted device which can be screwed over the threads. In protectors of this class considerable difliculty is experienced in applying the. device to the threads by reason of the uncertainty in engaging the thread of the pipe by the front end of the outer flange, resulting in delay, binding and marring of the threads. Y
The particular object is to improve that class of protectors made of sheet metal having spirally arranged deflected flanges for engagement of the thread by providing an initial thread engagingflange in advance of the rear terminal of'the same flange, off-set from it by the gage of one'thread, and lapping beyond it, in the manner hereinafter described.
In the drawings :-Figure 1 is a perspective view of the device. Fig. 2 is a partial inner plan view showing the joint'construction. Fig. 3 is a longitudinal sectional view through the end of a pipe provided with the protector. e
The protector 1s made of a circular band of sheet metal 2, flanged inwardly at the front as at 3 for engagement with the threads and at the back as at 4 for limiting its travel and protecting the end of the pipe. The band 2 is secured by its ends,*which overlap, by a rivet 5 and off-set an amount equivalentto the gage of the thread of the pipe for which it is designed, thereby separating the front flanges 3 to the same evtent. The rear flange 4 is cut away for clearance sufiiciently far-back to make the joint, as indicated in dottedlines at 6, and either of the ends of rear flange 4 may be bent up to match the end of the opposite abutting flange, or both flanges maybe bent toward each other in order to match, as desired. The sole function of the rear flange is to Specification of Letters Patent. Application filed August 1c, 1909. Serial No. 512,967.
rnnnAn-rnornc'ron.
Patented Aug. 9, 1910.
cover the end of the pipe and incidentally to stiflen the ring.
By overlapping and off-setting the ends of the ring as shown, the outer end 3 extends some distance beyond the rear terminal of the mner end 3 with the intervening thread certainty or improper engagement or jamming, and the protector, when thus properly initially inserted, may be turned over the threads for its full length, as shown in Fig. 3. Said figure clearly shows the side-byside arrangement of the flange terminals 3" and 3" providing the thread-engaging space, the flange 3 at the opposite side being exactly halfway between. them and'engaging between the threads, as indicated by the line a2, 00. 4
The device may be made in any desired sizes, care being taken to properly gage the space between the overlapping flanges to suit the gage and to provide ample overlap to make a good joint and to extend the initial flange end well beyond thercar terminal of the adjacent spirally arranged continuation of.the single flange.
that I claim is 1'. A thread protector consisting of a ring of sheet metal having overlapping ends secured together and provided with a continuous spirally arranged thread-engaging flange having terminals overlapping and off-set from each other, substantially as set forth.
' 2. A thread protector consisting of a ring of sheet metal having overlapping ends secured together and provided with a continuous spirally arranged thread engaging flange having terminals overlapping and off-set .space, so that when that portion of the flange 3 beyond the overlapping outer terminal 3 from each other, and provided with a limit- -ingflange at its other end, substantially as set forth.
3. A thread protector consisting of a ring I tially as set .forth.
4. A threarl protectdr consisting of a ring of sheet metal having front and back flanges,
the back; flange being, cut away for clearance, one end of the ring overlapping the other and off-set laterally a distance equaling the width of one thread, a securing ri et conneeting said overlapping ends, the flange terminals at the other side from the off-set- PETER J. SERUM.
Witnesses:
' C. M. CLARKE, CHAS. S. LEPLEY.
US51296709A 1909-08-16 1909-08-16 Thread-protector. Expired - Lifetime US966610A (en)

Priority Applications (1)

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US51296709A US966610A (en) 1909-08-16 1909-08-16 Thread-protector.

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US51296709A US966610A (en) 1909-08-16 1909-08-16 Thread-protector.

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US966610A true US966610A (en) 1910-08-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632478A (en) * 1948-07-01 1953-03-24 Howard W Ronfeldt Thread protector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632478A (en) * 1948-07-01 1953-03-24 Howard W Ronfeldt Thread protector

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