Patent US2514197A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2514197A Expired / Lapsed US ⏱️ 0.0 years remaining

Splicing thermoplastic monofilaments

Assignee: Bridgestone Firestone Inc
•
Filing: 1946-06-20
•
Granted: 1950-07-04
•
Expires: 1966-06-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frank J Groten
  • 👤 William J Nanfeldt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:40
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/69; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8324; B65; B65H; B65H69/00; B65H69/08; B65H69/085; B29C66/70; B29C66/71; B29C66/90; B29C66/92; B29C66/924; B29C66/9241; B29C66/929; B29C66/94; B29C66/949; B29C66/96; B29C66/967; B29C66/9672; B65H2701/00; B65H2701/30; B65H2701/31

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 91 words
PROCESS WHICH COMPRISES OVERLAPPING, IN PARALLEL RELATIONSHIP, THE ENDS OF TWO LENGTHS OF THERMOPLASTIC MONOFILAMENT, PRESSING SAID MONOFILAMENTS TOGETHER WITH A FORCE OF FROM ABOUT 3.0 TO ABOUT 6.0 POUNDS PER LINEAR INCH OF OVERLAPPED MONOFILAMENTS AND SUBJECTING THE OVERLAPPED FILAMENTS TO A HIGH FREQUENCY ELECTROSTATIC FIELD, SAID FIELD HAVING A FREQUENCY OF FROM ABOUT 150 TO 250 MEGACYCLES AND HAVING AN INTENSITY SUCH THAT A WELD IS EFFECTED BETWEEN THE FILAMENTS WITHIN A PERIOD OF TIME WHICH IS A FUNCTION OF THE FREQUENCY EMPLOYED, SUBSTANTIALLY IN ACCORDANCE WITH THE TABLE:
Claim 2
Dependent Claim 91 words
PROCESS WHICH COMPRISES OVERLAPPING, IN PARALLEL RELATIONSHIP, THE ENDS OF TWO LENGTHS OF THERMOPLASTIC MONOFILAMENT, PRESSING SAID MONOFILAMENTS TOGETHER WITH A FORCE OF FROM ABOUT 3.0 TO ABOUT 6.0 POUNDS PER LINEAR INCH OF OVERLAPPED MONOFILAMENTS AND SUBJECTING THE OVERLAPPED FILAMENTS TO A HIGH FREQUENCY ELECTROSTATIC FIELD, SAID FIELD HAVING A FREQUENCY OF FROM ABOUT 150 TO 250 MEGACYCLES AND HAVING AN INTENSITY SUCH THAT A WELD IS EFFECTED BETWEEN THE FILAMENTS WITHIN A PERIOD OF TIME WHICH IS A FUNCTION OF THE FREQUENCY EMPLOYED, SUBSTANTIALLY IN ACCORDANCE WITH THE TABLE:

References Cited (Backward Citations)

US2298676A Cited
US2279299A Cited
US2335159A Cited
US2402609A Cited
US2435467A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-07-03 1954-01-02 1954-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-03 1958-01-02 1958-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-03 1962-01-02 1962-07-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag