Wrap-around cable sleeves having an expandable body portion and methods of making same

• US 6,545,219 B1
• Filed: 04/24/2000
• Issued: 04/08/2003
• Est. Priority Date: 04/24/2000
• Status: Expired due to Term

• Current Assignee: TE Connectivity Corporation (TE Connectivity Ltd. (United Kingdom))
• Original Assignee: Tyco Electronics Corporation (TE Connectivity Ltd. (United Kingdom))
• Inventors: Maher, Kathryn Marie, Yaworski, Harry George, Blue, Kenton Archibald, Fitzgerald, Frank J., Bukovnik, Rudolf Robert, Judd, Jeffery Craig
• Primary Examiner(s): Nguyen, Chau N.
• Application Number:
  US09/556,230
• Time in Patent Office: 1,079 Days
• Field of Search: 174/74.A, 174/93, 174/77.R, 174/76, 138/164, 138/165, 138/166, 138/167, 138/168, 138/170, 138/171
• US Class Current: 174/74.00A
• CPC Class Codes: H02G 15/18 protected by sleeves, e.g. for communication cable two-part covers H02G15/10 ; preforms having internal stresses B29C61/00

Abstract

A wrap-around cable sleeve for environmentally sealing a cable section is provided where the wrap-around cable sleeve includes a longitudinally extending body comprising an electrically insulating material and having a longitudinally extending portion with a corrugated lateral cross-section. The longitudinally extending portion has a flexural modulus of between about 4,000 and 100,000 psi. The longitudinally extending portion defines a portion of a cable chamber. The cable chamber extends at least substantially around the cable section when the body is wrapped around the cable section. The cable chamber has a range taking in a radial direction of at least about 15 percent. The present invention may provide a wrap-around cable sleeve for protecting electrical cable sections of various shapes and sizes from the environment, including moisture as well as sharp objects. Methods of making such wrap-around cable sleeves are also provided.

Claims

1. A wrap-around cable sleeve for environmentally sealing a cable section, said wrap-around cable sleeve comprising:

a longitudinally extending body comprising an electrically insulating material and having a longitudinally extending portion with a corrugated lateral cross-section;

wherein the longitudinally extending portion has a flexural modulus of between about 4,000 and 100,000 psi;

wherein the longitudinally extending portion defines a portion of a cable chamber, wherein the cable chamber extends at least substantially around the cable section when the body is wrapped around the cable section; and

wherein the cable chamber has a range taking in a radial direction of at least about 15 percent.

2. The wrap-around cable sleeve of claim 1 wherein the longitudinally extending portion has a first longitudinal edge and a second longitudinal edge laterally spaced from the first longitudinal edge, and wherein the wrap-around cable sleeve further comprises a connector having a first connecting portion coupled to the longitudinally extending body adjacent the first longitudinal edge and a second connecting portion coupled to the longitudinally extending body adjacent the second longitudinal edge, wherein the first connecting portion is positioned adjacent the second connecting portion when the body is wrapped around the cable portion.

3. The wrap-around cable sleeve of claim 2 further comprising a sealant material positioned within the cable chamber.

4. The wrap-around cable sleeve of claim 3 wherein the sealant material comprises a silicone gel.

5. The wrap-around cable sleeve of claim 3 wherein the body further comprises:

a first collar portion adjacent a first end of the cable chamber, the first collar portion having arrange taking in a radial direction of less than 10 percent; and

a second collar portion adjacent a second end of the cable chamber, the second collar portion having a range taking in a radial direction of less than 10 percent.

6. The wrap-around cable sleeve of claim 5 wherein the body has a first end portion and a second end portion each having a substantially flat lateral cross-section and each extending from the first connecting portion such that the first end portion defines the first collar portion and the second end portion defines the second collar portion when the body is wrapped around the cable section.

7. The wrap-around cable sleeve of claim 5 wherein the first and second collar portions limit the ability of sealant material to escape from the cable chamber.

8. The wrap-around cable sleeve of claim 3 further comprising:

a first restraint member positioned over a first end portion of the cable chamber; and

a second restraint member positioned over a second end portion of the cable chamber, the second end portion being longitudinally spaced from the first end portion;

wherein the first and second restraint members limit a range taking in a radial direction of the first and second end portions respectively to less than about 10 percent.

9. The wrap-around cable sleeve of claim 8 wherein the first end portion has a first slot having the first restraint member positioned therein and wherein the second end portion has a second slot having the second restraint member positioned therein.

10. The wrap-around cable sleeve of claim 9, wherein the first slot is at least one of a groove or a hole, and wherein the second slot is at least one of a groove or a hole.

11. The wrap-around cable sleeve of claim 2 further comprising:

a sealant material layer on an inner surface of the cable chamber so as to provide environmental sealant within the cable chamber when the body is wrapped around the cable section.

12. The wrap-around cable sleeve of claim 2 wherein the cable chamber has a range taking in the longitudinal direction of less than about 10 percent.

13. The wrap-around cable sleeve of claim 2 wherein the first connecting portion comprises a pin member and the second connecting member comprises a socket member configured to connectably engage the pin member.

14. The wrap-around cable sleeve of claim 2 wherein the connector further comprises a connecting member configured to connect the first connecting portion to the second connecting portion when the body is wrapped around the cable section.

15. The wrap-around cable sleeve of claim 14 wherein the first connecting portion includes a first upright member and the second connecting portion includes a second upright member.

16. The wrap-around cable sleeve of claim 15 wherein the connecting member is a longitudinally extending sleeve element configured to receive the first and second upright members when the body is wrapped around the cable section.

17. The wrap-around cable sleeve of claim 15 wherein the connecting member comprises a spring clamp having a first arm and a second arm coupled to the first arm by a spring member, wherein the first arm has an end adjacent the first upright member and the second arm has an end adjacent the second upright member.

18. The wrap-around cable sleeve of claim 15, wherein the first upright member has a first end and a second end, and wherein the connecting member comprises a latch member having a first latch end rotatably connected to the first end of the first upright member and having a second latch end rotatably connected to the second end of the first upright member, wherein the latch member is configured to connectably engage the second upright member when the latch member is rotated to a position adjacent the second upright member.

19. The cable sleeve according to claim 2, wherein the electrically insulating material comprises a thermoplastic elastomer.

20. The cable sleeve according to claim 19, wherein the thermoplastic elastomer is selected from the group consisting of polyurethane and a blend of polypropylene and rubber.

21. The cable sleeve according to claim 2, wherein the longitudinally extending portion has a 100% tensile modulus of between about 250 psi and 3000 psi.

22. The cable sleeve according to claim 2, wherein the longitudinally extending portion has a tension set less than about 60 percent.

23. A wrap-around cable sleeve for environmentally sealing a cable section, said wrap-around cable sleeve comprising:

a longitudinally extending body comprising an electrically insulating material and having a longitudinally extending portion;

wherein the longitudinally extending portion defines a portion of a cable chamber, wherein the cable chamber extends at least substantially around the cable section when the body is wrapped around the cable section; and

wherein the cable chamber has a range taking in a radial direction of at least about 15 percent and wherein the cable chamber has a range taking in the longitudinal direction of less than about 10 percent.

24. The wrap-around cable sleeve of claim 23 wherein the longitudinally extending portion has a first longitudinal edge and a second longitudinal edge laterally spaced from the first longitudinal edge, and wherein the wrap-around cable sleeve further comprises a connector having a first connecting portion coupled to the longitudinally extending body adjacent the first longitudinal edge and a second connecting portion coupled to the longitudinally extending body adjacent the second longitudinal edge, wherein the first connecting portion is positioned adjacent the second connecting portion when the body is wrapped around the cable portion.

25. The wrap-around closure according to claim 24 further comprising a silicone gel positioned within the cable chamber.

26. The wrap-around cable sleeve of claim 24 wherein the body further comprises:

a first collar portion adjacent a first end of the cable chamber, the first collar portion having a range taking in a radial direction of less than about 10 percent; and

a second collar portion adjacent a second end of the cable chamber, the second collar portion having a range taking in a radial direction of less than about 10 percent.

27. The wrap-around cable sleeve of claim 24 wherein the body has a first end portion and a second end portion each having a substantially flat lateral cross-section and extending from the first connecting portion such that the first end portion defines the first collar portion and the second end portion defines the second collar portion when the body is wrapped around the cable section.

28. The wrap-around cable sleeve of claim 24 wherein the connector further comprises a connecting member that connects the first connecting portion to the second connecting portion when the body is wrapped around the cable section.

29. A wrap-around cable sleeve for environmentally sealing a cable section, said wrap-around cable sleeve comprising:

a longitudinally extending body comprising an electrically insulating material and having;

a longitudinally extending portion with a corrugated lateral cross-section and having a first longitudinal edge portion and a second longitudinal edge portion laterally spaced from the first longitudinal edge portion, wherein the longitudinally extending portion has a range taking in a lateral direction of at least about 15 percent and has a flexural modulus of between about 4,000 and 100,000 psi; and

a connector connecting the first and second longitudinal edge portions when the body is wrapped around the cable section.

30. The wrap-around cable sleeve of claim 29, wherein the connector comprises:

a first connecting portion coupled to the longitudinally extending body adjacent the first longitudinal edge portion;

a second connecting portion coupled to the longitudinally extending body adjacent the second longitudinal edge portion; and

a connecting member that couples the first longitudinal edge portion to the second longitudinal edge portion when the body is wrapped around the cable section.

31. The wrap-around cable sleeve of claim 29 wherein the body further comprises an interior surface and an exterior surface when the body is wrapped around the cable section, and wherein the wrap-around cable sleeve further comprises a sealant material on the interior surface of the body to environmentally seal the cable section when the body is wrapped around the cable section.

32. The wrap-around cable sleeve of claim 31 wherein the sealant material comprises a silicone gel.

33. The wrap-around cable sleeve of claim 30 wherein the body further comprises:

a first end portion adjacent a first end of the longitudinally extending portion and extending from the first connecting portion, said first end portion having a substantially flat lateral cross-section and having a range taking in the lateral direction of less than about 10 percent; and

a second end portion adjacent a second end of the longitudinally extending portion and extending from the first longitudinal edge, said second end portion having a substantially flat lateral cross-section and having a range talking in the lateral direction of less than about 10 percent.

34. The wrap-around cable sleeve of claim 29 wherein the longitudinally extending portion has a range taking in the longitudinal direction of less than about 10 percent.

35. A wrap-around cable sleeve for environmentally sealing a cable section, said wrap-around cable sleeve comprising:

a longitudinally extending body comprising an electrically insulating material and having;

a longitudinally extending portion with a corrugated lateral cross-section, said longitudinally extending portion having a first longitudinal edge portion and a second longitudinal edge portion laterally spaced from the first longitudinal edge portion and having a flexural modulus between about 4,000 and 10,000 psi; and

a connector comprising;

a pin member coupled to and extending from the first longitudinal edge portion; and

a socket member coupled to and extending from the second longitudinal edge portion, said socket member being configured to connectably engage said pin member, wherein the pin and the socket members are positioned so as to be aligned to connectably engage when the body is wrapped around the cable section.

36. The wrap-around cable sleeve according to claim 35, wherein the socket member further comprises a lip member extending from a closure side of the socket member.

37. The wrap-around cable sleeve according to claim 35, wherein the pin and socket members each have a flexural modulus greater than about 150,000 psi.

38. The wrap-around cable sleeve according to claim 37, wherein the pin member is bonded to the first longitudinal edge portion, and wherein the socket member is bonded to the second longitudinal edge portion.

39. The wrap-around cable sleeve of claim 35 wherein the pin member extends substantially entirely along the first longitudinal edge and the socket member extends substantially entirely along the second longitudinal edge.

40. The wrap-around cable sleeve according to claim 35 wherein the pin member comprises a plurality of longitudinally spaced pin members, and wherein the socket member comprises a plurality of longitudinally spaced socket members, and wherein the plurality of longitudinally spaced pin members and the plurality of longitudinally spaced socket members are positioned so as to be aligned to connectably engage when the body is wrapped around the cable section.

41. The wrap-around cable sleeve according to claim 35 wherein the pin member has a pin extending from a closure side thereof, and wherein the socket member has a socket in a closure side thereof, and wherein the closure sides of the pin and socket members are configured to be adjacent to one another when the body is wrapped around the cable section.

42. The wrap-around cable sleeve according to claim 41 wherein an external surface of the pin member and an external surface of the socket member are configured to provide a grip surface to facilitate wrapping the body around the cable section.

43. The wrap-around cable sleeve according to claim 41 wherein an external surface of the pin member and an external surface of the socket member are configured to receive a locking member.

44. The wrap-around cable sleeve according to claim 43 wherein the locking member is a longitudinally extending sleeve element that slidably engages the external surfaces of the pin and socket members.

45. A wrap-around cable sleeve for environmentally sealing a cable section, said cable sleeve comprising:

a longitudinally extending body comprising an electrically insulating material and having;

a longitudinally extending portion with a corrugated lateral cross-section, said longitudinally extending portion having a first longitudinal edge portion and a second longitudinal edge portion laterally spaced from the first longitudinal edge portion; and

a connector comprising;

a pin member coupled to and extending from the first longitudinal edge portion; and

a socket member coupled to and extending from the second longitudinal edge portion, said socket member being configured to connectably engage said pin member, wherein the pin and the socket members are positioned so as to be aligned to connectably engage when the body is wrapped around the cable section; and

wherein the connector further comprises a first connecting portion adjacent the first longitudinal edge portion, said first connecting portion including a first upright member having an increased lateral cross-section at its distal end, and a second connecting portion adjacent the second longitudinal edge portion, said second connecting portion including a second upright member having an increased lateral cross-section at its distal end, and wherein the pin member has a first channel at one end and a pin at an opposite distal end, said first channel slidably engaging the distal end of the first upright member, and wherein the socket member has a second channel at one end and a socket at an opposite distal end, said second channel slidably engaging the distal end of the second upright member.

46. A wrap-around cable sleeve for environmentally sealing a cable section, said cable sleeve comprising:

a longitudinally extending body comprising an electrically insulating material and having;

a longitudinally extending portion with a corrugated lateral cross-section, said longitudinally extending portion having a first longitudinal edge portion and a second longitudinal edge portion laterally spaced from the first longitudinal edge portion; and

a connector comprising;

a pin member coupled to and extending from the first longitudinal edge portion; and

a socket member coupled to and extending from the second longitudinal edge portion, said socket member being configured to connectably engage said pin member, wherein the pin and the socket members are positioned so as to be aligned to connectably engage when the body is wrapped around the cable section; and

wherein the longitudinally extending portion, the pin member, and the socket member are integrally formed, and wherein the pin member and the socket member further comprise a rigid coating substantially extending over connectably engaging portions thereof to provide the hardness thereof.

47. A wrap-around cable sleeve for environmentally sealing a cable section, said cable sleeve comprising:

a longitudinally extending body comprising an electrically insulating material and having;

a longitudinally extending,portion with a corrugated lateral cross-section, said longitudinally extending portion having a first longitudinal edge portion and a second longitudinal edge portion laterally spaced from the first longitudinal edge portion; and

a connector comprising;

a pin member coupled to and extending from the first longitudinal edge portion; and

a socket member coupled to and extending from the second longitudinal edge portion, said socket member being configured to connectably engage said pin member, wherein the pin and the socket members are positioned so as to be aligned to connectably engage when the body is wrapped around the cable section, wherein an external surface of the pin member and an external surface of the socket member are configured to receive a locking member; and

wherein the locking member comprises;

a living hinge connected to a first member that is one of the pin member and the socket member; and

an arm extending from the living hinge and having a hook at an end opposite the living hinge, wherein the arm extends so as to engage the hook to a second member that is the other of the pin member and the socket member when the arm is rotated to a position adjacent the second member.

48. A connection protector kit for environmentally sealing a cable section, said kit comprising:

a wrap-around cable sleeve having;

a longitudinally extending body comprising an electrically insulating material and having;

a longitudinally extending portion with a corrugated lateral cross-section and having a first longitudinal edge portion and a second longitudinal edge portion laterally spaced from the first longitudinal edge portion, wherein the longitudinally extending portion has a range taking in a lateral direction of at least about 15 percent and a flexural modulus of between about 4,000 and 100,000 psi; and

a connector; and

a sealant material.